Home / 1,547,388.60-2,135,253.42-868,200.12

Finding the Fourth Proportional to 1,547,388.60, 2,135,253.42 and 868,200.12

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Solution

The fourth proportional to 1,547,388.60, 2,135,253.42 and 868,200.12 is: 1,198,036.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,547,388.60 : 2,135,253.42 = 868,200.12 : x
  2. Step 2: Convert to fraction form
    1,547,388.60/2,135,253.42 = 868,200.12/x
  3. Step 3: Cross multiply
    1,547,388.60x = 2,135,253.42 × 868,200.12
  4. Step 4: Simplify right side
    1,547,388.60x = 1,853,827,275,474.41
  5. Step 5: Solve for x
    x = 1,853,827,275,474.41/1,547,388.60
  6. Step 6: Final answer
    x = 1,198,036.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.