Home / 1,115,398.68-1,539,246.10-632,056.18

Finding the Fourth Proportional to 1,115,398.68, 1,539,246.10 and 632,056.18

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Solution

The fourth proportional to 1,115,398.68, 1,539,246.10 and 632,056.18 is: 872,235.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,398.68 : 1,539,246.10 = 632,056.18 : x
  2. Step 2: Convert to fraction form
    1,115,398.68/1,539,246.10 = 632,056.18/x
  3. Step 3: Cross multiply
    1,115,398.68x = 1,539,246.10 × 632,056.18
  4. Step 4: Simplify right side
    1,115,398.68x = 972,890,010,045.90
  5. Step 5: Solve for x
    x = 972,890,010,045.90/1,115,398.68
  6. Step 6: Final answer
    x = 872,235.22

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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.