Home / 1,424,641.73-2,136,994.11-513,897.02

Finding the Fourth Proportional to 1,424,641.73, 2,136,994.11 and 513,897.02

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Solution

The fourth proportional to 1,424,641.73, 2,136,994.11 and 513,897.02 is: 770,856.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,641.73 : 2,136,994.11 = 513,897.02 : x
  2. Step 2: Convert to fraction form
    1,424,641.73/2,136,994.11 = 513,897.02/x
  3. Step 3: Cross multiply
    1,424,641.73x = 2,136,994.11 × 513,897.02
  4. Step 4: Simplify right side
    1,424,641.73x = 1,098,194,904,886.55
  5. Step 5: Solve for x
    x = 1,098,194,904,886.55/1,424,641.73
  6. Step 6: Final answer
    x = 770,856.90

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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.