Home / 1,103,424.30-1,655,136.45-472,401.90

Finding the Fourth Proportional to 1,103,424.30, 1,655,136.45 and 472,401.90

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Solution

The fourth proportional to 1,103,424.30, 1,655,136.45 and 472,401.90 is: 708,602.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,424.30 : 1,655,136.45 = 472,401.90 : x
  2. Step 2: Convert to fraction form
    1,103,424.30/1,655,136.45 = 472,401.90/x
  3. Step 3: Cross multiply
    1,103,424.30x = 1,655,136.45 × 472,401.90
  4. Step 4: Simplify right side
    1,103,424.30x = 781,889,603,739.26
  5. Step 5: Solve for x
    x = 781,889,603,739.26/1,103,424.30
  6. Step 6: Final answer
    x = 708,602.85

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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.