Home / 1,129,512.28-1,694,269.02-709,083.40

Finding the Fourth Proportional to 1,129,512.28, 1,694,269.02 and 709,083.40

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Solution

The fourth proportional to 1,129,512.28, 1,694,269.02 and 709,083.40 is: 1,063,625.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,512.28 : 1,694,269.02 = 709,083.40 : x
  2. Step 2: Convert to fraction form
    1,129,512.28/1,694,269.02 = 709,083.40/x
  3. Step 3: Cross multiply
    1,129,512.28x = 1,694,269.02 × 709,083.40
  4. Step 4: Simplify right side
    1,129,512.28x = 1,201,378,037,216.27
  5. Step 5: Solve for x
    x = 1,201,378,037,216.27/1,129,512.28
  6. Step 6: Final answer
    x = 1,063,625.48

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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.