Home / 1,257,225.30-1,885,815.27-458,498.88

Finding the Fourth Proportional to 1,257,225.30, 1,885,815.27 and 458,498.88

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Solution

The fourth proportional to 1,257,225.30, 1,885,815.27 and 458,498.88 is: 687,740.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,225.30 : 1,885,815.27 = 458,498.88 : x
  2. Step 2: Convert to fraction form
    1,257,225.30/1,885,815.27 = 458,498.88/x
  3. Step 3: Cross multiply
    1,257,225.30x = 1,885,815.27 × 458,498.88
  4. Step 4: Simplify right side
    1,257,225.30x = 864,644,189,181.90
  5. Step 5: Solve for x
    x = 864,644,189,181.90/1,257,225.30
  6. Step 6: Final answer
    x = 687,740.05

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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.