Home / 1,126,711.57-1,688,930.12-706,282.69

Finding the Fourth Proportional to 1,126,711.57, 1,688,930.12 and 706,282.69

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Solution

The fourth proportional to 1,126,711.57, 1,688,930.12 and 706,282.69 is: 1,058,711.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,711.57 : 1,688,930.12 = 706,282.69 : x
  2. Step 2: Convert to fraction form
    1,126,711.57/1,688,930.12 = 706,282.69/x
  3. Step 3: Cross multiply
    1,126,711.57x = 1,688,930.12 × 706,282.69
  4. Step 4: Simplify right side
    1,126,711.57x = 1,192,862,104,844.21
  5. Step 5: Solve for x
    x = 1,192,862,104,844.21/1,126,711.57
  6. Step 6: Final answer
    x = 1,058,711.15

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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.