Home / 1,124,805.40-1,687,208.10-366,645.40

Finding the Fourth Proportional to 1,124,805.40, 1,687,208.10 and 366,645.40

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Solution

The fourth proportional to 1,124,805.40, 1,687,208.10 and 366,645.40 is: 549,968.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,805.40 : 1,687,208.10 = 366,645.40 : x
  2. Step 2: Convert to fraction form
    1,124,805.40/1,687,208.10 = 366,645.40/x
  3. Step 3: Cross multiply
    1,124,805.40x = 1,687,208.10 × 366,645.40
  4. Step 4: Simplify right side
    1,124,805.40x = 618,607,088,707.74
  5. Step 5: Solve for x
    x = 618,607,088,707.74/1,124,805.40
  6. Step 6: Final answer
    x = 549,968.10

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.