Home / 1,300,624.66-1,951,123.90-402,136.44

Finding the Fourth Proportional to 1,300,624.66, 1,951,123.90 and 402,136.44

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Solution

The fourth proportional to 1,300,624.66, 1,951,123.90 and 402,136.44 is: 603,262.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,624.66 : 1,951,123.90 = 402,136.44 : x
  2. Step 2: Convert to fraction form
    1,300,624.66/1,951,123.90 = 402,136.44/x
  3. Step 3: Cross multiply
    1,300,624.66x = 1,951,123.90 × 402,136.44
  4. Step 4: Simplify right side
    1,300,624.66x = 784,618,019,144.92
  5. Step 5: Solve for x
    x = 784,618,019,144.92/1,300,624.66
  6. Step 6: Final answer
    x = 603,262.45

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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.