Home / 987,514.20-1,481,271.30-932,401.80

Finding the Fourth Proportional to 987,514.20, 1,481,271.30 and 932,401.80

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Solution

The fourth proportional to 987,514.20, 1,481,271.30 and 932,401.80 is: 1,398,602.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,514.20 : 1,481,271.30 = 932,401.80 : x
  2. Step 2: Convert to fraction form
    987,514.20/1,481,271.30 = 932,401.80/x
  3. Step 3: Cross multiply
    987,514.20x = 1,481,271.30 × 932,401.80
  4. Step 4: Simplify right side
    987,514.20x = 1,381,140,026,408.34
  5. Step 5: Solve for x
    x = 1,381,140,026,408.34/987,514.20
  6. Step 6: Final answer
    x = 1,398,602.70

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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.