Home / 1,012,391.64-1,397,129.64-559,711.80

Finding the Fourth Proportional to 1,012,391.64, 1,397,129.64 and 559,711.80

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Solution

The fourth proportional to 1,012,391.64, 1,397,129.64 and 559,711.80 is: 772,418.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,391.64 : 1,397,129.64 = 559,711.80 : x
  2. Step 2: Convert to fraction form
    1,012,391.64/1,397,129.64 = 559,711.80/x
  3. Step 3: Cross multiply
    1,012,391.64x = 1,397,129.64 × 559,711.80
  4. Step 4: Simplify right side
    1,012,391.64x = 781,989,945,637.75
  5. Step 5: Solve for x
    x = 781,989,945,637.75/1,012,391.64
  6. Step 6: Final answer
    x = 772,418.41

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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.