Home / 1,292,998.89-1,784,379.05-712,264.13

Finding the Fourth Proportional to 1,292,998.89, 1,784,379.05 and 712,264.13

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Solution

The fourth proportional to 1,292,998.89, 1,784,379.05 and 712,264.13 is: 982,946.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,998.89 : 1,784,379.05 = 712,264.13 : x
  2. Step 2: Convert to fraction form
    1,292,998.89/1,784,379.05 = 712,264.13/x
  3. Step 3: Cross multiply
    1,292,998.89x = 1,784,379.05 × 712,264.13
  4. Step 4: Simplify right side
    1,292,998.89x = 1,270,949,192,524.16
  5. Step 5: Solve for x
    x = 1,270,949,192,524.16/1,292,998.89
  6. Step 6: Final answer
    x = 982,946.85

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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.