Home / 1,239,330.92-1,858,989.89-674,303.79

Finding the Fourth Proportional to 1,239,330.92, 1,858,989.89 and 674,303.79

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Solution

The fourth proportional to 1,239,330.92, 1,858,989.89 and 674,303.79 is: 1,011,452.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,239,330.92 : 1,858,989.89 = 674,303.79 : x
  2. Step 2: Convert to fraction form
    1,239,330.92/1,858,989.89 = 674,303.79/x
  3. Step 3: Cross multiply
    1,239,330.92x = 1,858,989.89 × 674,303.79
  4. Step 4: Simplify right side
    1,239,330.92x = 1,253,523,926,598.84
  5. Step 5: Solve for x
    x = 1,253,523,926,598.84/1,239,330.92
  6. Step 6: Final answer
    x = 1,011,452.16

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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.