Home / 1,027,231.80-1,542,690.90-747,065.40

Finding the Fourth Proportional to 1,027,231.80, 1,542,690.90 and 747,065.40

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Solution

The fourth proportional to 1,027,231.80, 1,542,690.90 and 747,065.40 is: 1,121,938.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,027,231.80 : 1,542,690.90 = 747,065.40 : x
  2. Step 2: Convert to fraction form
    1,027,231.80/1,542,690.90 = 747,065.40/x
  3. Step 3: Cross multiply
    1,027,231.80x = 1,542,690.90 × 747,065.40
  4. Step 4: Simplify right side
    1,027,231.80x = 1,152,490,994,284.86
  5. Step 5: Solve for x
    x = 1,152,490,994,284.86/1,027,231.80
  6. Step 6: Final answer
    x = 1,121,938.59

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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.