Home / 1,200,700.98-1,656,954.45-656,847.54

Finding the Fourth Proportional to 1,200,700.98, 1,656,954.45 and 656,847.54

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Solution

The fourth proportional to 1,200,700.98, 1,656,954.45 and 656,847.54 is: 906,442.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,700.98 : 1,656,954.45 = 656,847.54 : x
  2. Step 2: Convert to fraction form
    1,200,700.98/1,656,954.45 = 656,847.54/x
  3. Step 3: Cross multiply
    1,200,700.98x = 1,656,954.45 × 656,847.54
  4. Step 4: Simplify right side
    1,200,700.98x = 1,088,366,454,374.55
  5. Step 5: Solve for x
    x = 1,088,366,454,374.55/1,200,700.98
  6. Step 6: Final answer
    x = 906,442.55

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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.