Home / 1,012,766.20-1,397,415.18-559,969.72

Finding the Fourth Proportional to 1,012,766.20, 1,397,415.18 and 559,969.72

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Solution

The fourth proportional to 1,012,766.20, 1,397,415.18 and 559,969.72 is: 772,646.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,766.20 : 1,397,415.18 = 559,969.72 : x
  2. Step 2: Convert to fraction form
    1,012,766.20/1,397,415.18 = 559,969.72/x
  3. Step 3: Cross multiply
    1,012,766.20x = 1,397,415.18 × 559,969.72
  4. Step 4: Simplify right side
    1,012,766.20x = 782,510,187,068.35
  5. Step 5: Solve for x
    x = 782,510,187,068.35/1,012,766.20
  6. Step 6: Final answer
    x = 772,646.43

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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.