Home / 1,455,123.60-2,182,685.40-1,399,136.40

Finding the Fourth Proportional to 1,455,123.60, 2,182,685.40 and 1,399,136.40

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Solution

The fourth proportional to 1,455,123.60, 2,182,685.40 and 1,399,136.40 is: 2,098,704.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,123.60 : 2,182,685.40 = 1,399,136.40 : x
  2. Step 2: Convert to fraction form
    1,455,123.60/2,182,685.40 = 1,399,136.40/x
  3. Step 3: Cross multiply
    1,455,123.60x = 2,182,685.40 × 1,399,136.40
  4. Step 4: Simplify right side
    1,455,123.60x = 3,053,874,592,888.56
  5. Step 5: Solve for x
    x = 3,053,874,592,888.56/1,455,123.60
  6. Step 6: Final answer
    x = 2,098,704.60

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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.