Home / 1,129,513.28-1,694,270.52-709,084.40

Finding the Fourth Proportional to 1,129,513.28, 1,694,270.52 and 709,084.40

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Solution

The fourth proportional to 1,129,513.28, 1,694,270.52 and 709,084.40 is: 1,063,626.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,513.28 : 1,694,270.52 = 709,084.40 : x
  2. Step 2: Convert to fraction form
    1,129,513.28/1,694,270.52 = 709,084.40/x
  3. Step 3: Cross multiply
    1,129,513.28x = 1,694,270.52 × 709,084.40
  4. Step 4: Simplify right side
    1,129,513.28x = 1,201,380,795,111.89
  5. Step 5: Solve for x
    x = 1,201,380,795,111.89/1,129,513.28
  6. Step 6: Final answer
    x = 1,063,626.98

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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.