Home / 1,086,352.60-1,629,528.90-687,443.80

Finding the Fourth Proportional to 1,086,352.60, 1,629,528.90 and 687,443.80

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Solution

The fourth proportional to 1,086,352.60, 1,629,528.90 and 687,443.80 is: 1,031,165.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,352.60 : 1,629,528.90 = 687,443.80 : x
  2. Step 2: Convert to fraction form
    1,086,352.60/1,629,528.90 = 687,443.80/x
  3. Step 3: Cross multiply
    1,086,352.60x = 1,629,528.90 × 687,443.80
  4. Step 4: Simplify right side
    1,086,352.60x = 1,120,209,539,225.82
  5. Step 5: Solve for x
    x = 1,120,209,539,225.82/1,086,352.60
  6. Step 6: Final answer
    x = 1,031,165.70

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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.