Home / 1,087,400.28-1,630,684.68-357,753.68

Finding the Fourth Proportional to 1,087,400.28, 1,630,684.68 and 357,753.68

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Solution

The fourth proportional to 1,087,400.28, 1,630,684.68 and 357,753.68 is: 536,493.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,400.28 : 1,630,684.68 = 357,753.68 : x
  2. Step 2: Convert to fraction form
    1,087,400.28/1,630,684.68 = 357,753.68/x
  3. Step 3: Cross multiply
    1,087,400.28x = 1,630,684.68 × 357,753.68
  4. Step 4: Simplify right side
    1,087,400.28x = 583,383,445,189.62
  5. Step 5: Solve for x
    x = 583,383,445,189.62/1,087,400.28
  6. Step 6: Final answer
    x = 536,493.74

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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.