Home / 1,247,066.10-1,865,928.15-888,066.90

Finding the Fourth Proportional to 1,247,066.10, 1,865,928.15 and 888,066.90

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Solution

The fourth proportional to 1,247,066.10, 1,865,928.15 and 888,066.90 is: 1,328,774.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,066.10 : 1,865,928.15 = 888,066.90 : x
  2. Step 2: Convert to fraction form
    1,247,066.10/1,865,928.15 = 888,066.90/x
  3. Step 3: Cross multiply
    1,247,066.10x = 1,865,928.15 × 888,066.90
  4. Step 4: Simplify right side
    1,247,066.10x = 1,657,069,027,793.24
  5. Step 5: Solve for x
    x = 1,657,069,027,793.24/1,247,066.10
  6. Step 6: Final answer
    x = 1,328,774.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.