Home / 1,069,873.40-1,604,810.10-478,897.40

Finding the Fourth Proportional to 1,069,873.40, 1,604,810.10 and 478,897.40

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Solution

The fourth proportional to 1,069,873.40, 1,604,810.10 and 478,897.40 is: 718,346.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,873.40 : 1,604,810.10 = 478,897.40 : x
  2. Step 2: Convert to fraction form
    1,069,873.40/1,604,810.10 = 478,897.40/x
  3. Step 3: Cross multiply
    1,069,873.40x = 1,604,810.10 × 478,897.40
  4. Step 4: Simplify right side
    1,069,873.40x = 768,539,384,383.74
  5. Step 5: Solve for x
    x = 768,539,384,383.74/1,069,873.40
  6. Step 6: Final answer
    x = 718,346.10

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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.