Home / 942,161.28-1,299,753.72-559,970.88

Finding the Fourth Proportional to 942,161.28, 1,299,753.72 and 559,970.88

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Solution

The fourth proportional to 942,161.28, 1,299,753.72 and 559,970.88 is: 772,504.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,161.28 : 1,299,753.72 = 559,970.88 : x
  2. Step 2: Convert to fraction form
    942,161.28/1,299,753.72 = 559,970.88/x
  3. Step 3: Cross multiply
    942,161.28x = 1,299,753.72 × 559,970.88
  4. Step 4: Simplify right side
    942,161.28x = 727,824,234,371.67
  5. Step 5: Solve for x
    x = 727,824,234,371.67/942,161.28
  6. Step 6: Final answer
    x = 772,504.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.