Home / 1,247,181.60-1,868,007.60-498,842.40

Finding the Fourth Proportional to 1,247,181.60, 1,868,007.60 and 498,842.40

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Solution

The fourth proportional to 1,247,181.60, 1,868,007.60 and 498,842.40 is: 747,157.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,181.60 : 1,868,007.60 = 498,842.40 : x
  2. Step 2: Convert to fraction form
    1,247,181.60/1,868,007.60 = 498,842.40/x
  3. Step 3: Cross multiply
    1,247,181.60x = 1,868,007.60 × 498,842.40
  4. Step 4: Simplify right side
    1,247,181.60x = 931,841,394,402.24
  5. Step 5: Solve for x
    x = 931,841,394,402.24/1,247,181.60
  6. Step 6: Final answer
    x = 747,157.75

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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.