Home / 1,253,585.70-1,879,672.50-400,456.98

Finding the Fourth Proportional to 1,253,585.70, 1,879,672.50 and 400,456.98

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Solution

The fourth proportional to 1,253,585.70, 1,879,672.50 and 400,456.98 is: 600,459.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,585.70 : 1,879,672.50 = 400,456.98 : x
  2. Step 2: Convert to fraction form
    1,253,585.70/1,879,672.50 = 400,456.98/x
  3. Step 3: Cross multiply
    1,253,585.70x = 1,879,672.50 × 400,456.98
  4. Step 4: Simplify right side
    1,253,585.70x = 752,727,972,739.05
  5. Step 5: Solve for x
    x = 752,727,972,739.05/1,253,585.70
  6. Step 6: Final answer
    x = 600,459.92

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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.