Home / 1,209,487.13-1,815,351.71-610,868.68

Finding the Fourth Proportional to 1,209,487.13, 1,815,351.71 and 610,868.68

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Solution

The fourth proportional to 1,209,487.13, 1,815,351.71 and 610,868.68 is: 916,869.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,487.13 : 1,815,351.71 = 610,868.68 : x
  2. Step 2: Convert to fraction form
    1,209,487.13/1,815,351.71 = 610,868.68/x
  3. Step 3: Cross multiply
    1,209,487.13x = 1,815,351.71 × 610,868.68
  4. Step 4: Simplify right side
    1,209,487.13x = 1,108,941,495,230.72
  5. Step 5: Solve for x
    x = 1,108,941,495,230.72/1,209,487.13
  6. Step 6: Final answer
    x = 916,869.20

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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.