Home / 1,380,508.40-2,069,531.40-538,864.40

Finding the Fourth Proportional to 1,380,508.40, 2,069,531.40 and 538,864.40

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Solution

The fourth proportional to 1,380,508.40, 2,069,531.40 and 538,864.40 is: 807,816.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,508.40 : 2,069,531.40 = 538,864.40 : x
  2. Step 2: Convert to fraction form
    1,380,508.40/2,069,531.40 = 538,864.40/x
  3. Step 3: Cross multiply
    1,380,508.40x = 2,069,531.40 × 538,864.40
  4. Step 4: Simplify right side
    1,380,508.40x = 1,115,196,796,142.16
  5. Step 5: Solve for x
    x = 1,115,196,796,142.16/1,380,508.40
  6. Step 6: Final answer
    x = 807,816.02

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