Home / 1,087,962.60-1,630,280.70-731,657.64

Finding the Fourth Proportional to 1,087,962.60, 1,630,280.70 and 731,657.64

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Solution

The fourth proportional to 1,087,962.60, 1,630,280.70 and 731,657.64 is: 1,096,367.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,962.60 : 1,630,280.70 = 731,657.64 : x
  2. Step 2: Convert to fraction form
    1,087,962.60/1,630,280.70 = 731,657.64/x
  3. Step 3: Cross multiply
    1,087,962.60x = 1,630,280.70 × 731,657.64
  4. Step 4: Simplify right side
    1,087,962.60x = 1,192,807,329,499.55
  5. Step 5: Solve for x
    x = 1,192,807,329,499.55/1,087,962.60
  6. Step 6: Final answer
    x = 1,096,367.95

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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.