Home / 1,343,386.15-2,015,345-383,850.43

Finding the Fourth Proportional to 1,343,386.15, 2,015,345 and 383,850.43

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Solution

The fourth proportional to 1,343,386.15, 2,015,345 and 383,850.43 is: 575,851.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,386.15 : 2,015,345 = 383,850.43 : x
  2. Step 2: Convert to fraction form
    1,343,386.15/2,015,345 = 383,850.43/x
  3. Step 3: Cross multiply
    1,343,386.15x = 2,015,345 × 383,850.43
  4. Step 4: Simplify right side
    1,343,386.15x = 773,591,044,848.35
  5. Step 5: Solve for x
    x = 773,591,044,848.35/1,343,386.15
  6. Step 6: Final answer
    x = 575,851.59

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Double scale
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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.