Home / 1,126,716.57-1,688,937.61-706,287.69

Finding the Fourth Proportional to 1,126,716.57, 1,688,937.61 and 706,287.69

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Solution

The fourth proportional to 1,126,716.57, 1,688,937.61 and 706,287.69 is: 1,058,718.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,716.57 : 1,688,937.61 = 706,287.69 : x
  2. Step 2: Convert to fraction form
    1,126,716.57/1,688,937.61 = 706,287.69/x
  3. Step 3: Cross multiply
    1,126,716.57x = 1,688,937.61 × 706,287.69
  4. Step 4: Simplify right side
    1,126,716.57x = 1,192,875,843,121.02
  5. Step 5: Solve for x
    x = 1,192,875,843,121.02/1,126,716.57
  6. Step 6: Final answer
    x = 1,058,718.65

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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.