Home / 1,135,327.28-1,566,695.44-645,232.72

Finding the Fourth Proportional to 1,135,327.28, 1,566,695.44 and 645,232.72

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Solution

The fourth proportional to 1,135,327.28, 1,566,695.44 and 645,232.72 is: 890,389.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,135,327.28 : 1,566,695.44 = 645,232.72 : x
  2. Step 2: Convert to fraction form
    1,135,327.28/1,566,695.44 = 645,232.72/x
  3. Step 3: Cross multiply
    1,135,327.28x = 1,566,695.44 × 645,232.72
  4. Step 4: Simplify right side
    1,135,327.28x = 1,010,883,160,162.80
  5. Step 5: Solve for x
    x = 1,010,883,160,162.80/1,135,327.28
  6. Step 6: Final answer
    x = 890,389.21

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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.