Home / 1,126,711.32-1,688,929.74-706,282.44

Finding the Fourth Proportional to 1,126,711.32, 1,688,929.74 and 706,282.44

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Solution

The fourth proportional to 1,126,711.32, 1,688,929.74 and 706,282.44 is: 1,058,710.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,711.32 : 1,688,929.74 = 706,282.44 : x
  2. Step 2: Convert to fraction form
    1,126,711.32/1,688,929.74 = 706,282.44/x
  3. Step 3: Cross multiply
    1,126,711.32x = 1,688,929.74 × 706,282.44
  4. Step 4: Simplify right side
    1,126,711.32x = 1,192,861,417,755.77
  5. Step 5: Solve for x
    x = 1,192,861,417,755.77/1,126,711.32
  6. Step 6: Final answer
    x = 1,058,710.78

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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.