Home / 1,432,098.12-1,976,346.24-787,567.32

Finding the Fourth Proportional to 1,432,098.12, 1,976,346.24 and 787,567.32

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Solution

The fourth proportional to 1,432,098.12, 1,976,346.24 and 787,567.32 is: 1,086,870.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,098.12 : 1,976,346.24 = 787,567.32 : x
  2. Step 2: Convert to fraction form
    1,432,098.12/1,976,346.24 = 787,567.32/x
  3. Step 3: Cross multiply
    1,432,098.12x = 1,976,346.24 × 787,567.32
  4. Step 4: Simplify right side
    1,432,098.12x = 1,556,505,711,628.88
  5. Step 5: Solve for x
    x = 1,556,505,711,628.88/1,432,098.12
  6. Step 6: Final answer
    x = 1,086,870.86

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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.