Home / 1,118,480.58-1,543,678.49-659,645.60

Finding the Fourth Proportional to 1,118,480.58, 1,543,678.49 and 659,645.60

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Solution

The fourth proportional to 1,118,480.58, 1,543,678.49 and 659,645.60 is: 910,414.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,480.58 : 1,543,678.49 = 659,645.60 : x
  2. Step 2: Convert to fraction form
    1,118,480.58/1,543,678.49 = 659,645.60/x
  3. Step 3: Cross multiply
    1,118,480.58x = 1,543,678.49 × 659,645.60
  4. Step 4: Simplify right side
    1,118,480.58x = 1,018,280,712,726.52
  5. Step 5: Solve for x
    x = 1,018,280,712,726.52/1,118,480.58
  6. Step 6: Final answer
    x = 910,414.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.