Home / 1,323,503.91-1,984,288.01-424,433.88

Finding the Fourth Proportional to 1,323,503.91, 1,984,288.01 and 424,433.88

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Solution

The fourth proportional to 1,323,503.91, 1,984,288.01 and 424,433.88 is: 636,340.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,503.91 : 1,984,288.01 = 424,433.88 : x
  2. Step 2: Convert to fraction form
    1,323,503.91/1,984,288.01 = 424,433.88/x
  3. Step 3: Cross multiply
    1,323,503.91x = 1,984,288.01 × 424,433.88
  4. Step 4: Simplify right side
    1,323,503.91x = 842,199,056,999.61
  5. Step 5: Solve for x
    x = 842,199,056,999.61/1,323,503.91
  6. Step 6: Final answer
    x = 636,340.44

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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.