Home / 1,236,472.79-1,854,834.93-426,751.83

Finding the Fourth Proportional to 1,236,472.79, 1,854,834.93 and 426,751.83

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Solution

The fourth proportional to 1,236,472.79, 1,854,834.93 and 426,751.83 is: 640,171.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,472.79 : 1,854,834.93 = 426,751.83 : x
  2. Step 2: Convert to fraction form
    1,236,472.79/1,854,834.93 = 426,751.83/x
  3. Step 3: Cross multiply
    1,236,472.79x = 1,854,834.93 × 426,751.83
  4. Step 4: Simplify right side
    1,236,472.79x = 791,554,200,725.42
  5. Step 5: Solve for x
    x = 791,554,200,725.42/1,236,472.79
  6. Step 6: Final answer
    x = 640,171.15

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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.