Home / 1,257,226.30-1,885,816.77-458,499.88

Finding the Fourth Proportional to 1,257,226.30, 1,885,816.77 and 458,499.88

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Solution

The fourth proportional to 1,257,226.30, 1,885,816.77 and 458,499.88 is: 687,741.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,226.30 : 1,885,816.77 = 458,499.88 : x
  2. Step 2: Convert to fraction form
    1,257,226.30/1,885,816.77 = 458,499.88/x
  3. Step 3: Cross multiply
    1,257,226.30x = 1,885,816.77 × 458,499.88
  4. Step 4: Simplify right side
    1,257,226.30x = 864,646,762,746.99
  5. Step 5: Solve for x
    x = 864,646,762,746.99/1,257,226.30
  6. Step 6: Final answer
    x = 687,741.55

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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.