Home / 1,124,379.61-1,686,594.02-450,778.15

Finding the Fourth Proportional to 1,124,379.61, 1,686,594.02 and 450,778.15

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Solution

The fourth proportional to 1,124,379.61, 1,686,594.02 and 450,778.15 is: 676,177.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,379.61 : 1,686,594.02 = 450,778.15 : x
  2. Step 2: Convert to fraction form
    1,124,379.61/1,686,594.02 = 450,778.15/x
  3. Step 3: Cross multiply
    1,124,379.61x = 1,686,594.02 × 450,778.15
  4. Step 4: Simplify right side
    1,124,379.61x = 760,279,732,136.66
  5. Step 5: Solve for x
    x = 760,279,732,136.66/1,124,379.61
  6. Step 6: Final answer
    x = 676,177.09

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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.