Home / 1,087,352.90-1,629,425.55-788,462.90

Finding the Fourth Proportional to 1,087,352.90, 1,629,425.55 and 788,462.90

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Solution

The fourth proportional to 1,087,352.90, 1,629,425.55 and 788,462.90 is: 1,181,531.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,352.90 : 1,629,425.55 = 788,462.90 : x
  2. Step 2: Convert to fraction form
    1,087,352.90/1,629,425.55 = 788,462.90/x
  3. Step 3: Cross multiply
    1,087,352.90x = 1,629,425.55 × 788,462.90
  4. Step 4: Simplify right side
    1,087,352.90x = 1,284,741,594,487.10
  5. Step 5: Solve for x
    x = 1,284,741,594,487.10/1,087,352.90
  6. Step 6: Final answer
    x = 1,181,531.40

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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.