Home / 1,248,690.41-1,872,277.13-489,622.46

Finding the Fourth Proportional to 1,248,690.41, 1,872,277.13 and 489,622.46

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Solution

The fourth proportional to 1,248,690.41, 1,872,277.13 and 489,622.46 is: 734,136.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,690.41 : 1,872,277.13 = 489,622.46 : x
  2. Step 2: Convert to fraction form
    1,248,690.41/1,872,277.13 = 489,622.46/x
  3. Step 3: Cross multiply
    1,248,690.41x = 1,872,277.13 × 489,622.46
  4. Step 4: Simplify right side
    1,248,690.41x = 916,708,924,830.95
  5. Step 5: Solve for x
    x = 916,708,924,830.95/1,248,690.41
  6. Step 6: Final answer
    x = 734,136.27

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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.