Home / 1,242,589.48-1,864,275.45-443,853.34

Finding the Fourth Proportional to 1,242,589.48, 1,864,275.45 and 443,853.34

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Solution

The fourth proportional to 1,242,589.48, 1,864,275.45 and 443,853.34 is: 665,919.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,589.48 : 1,864,275.45 = 443,853.34 : x
  2. Step 2: Convert to fraction form
    1,242,589.48/1,864,275.45 = 443,853.34/x
  3. Step 3: Cross multiply
    1,242,589.48x = 1,864,275.45 × 443,853.34
  4. Step 4: Simplify right side
    1,242,589.48x = 827,464,885,162.50
  5. Step 5: Solve for x
    x = 827,464,885,162.50/1,242,589.48
  6. Step 6: Final answer
    x = 665,919.76

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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.