Home / 1,090,109.60-1,635,747.60-459,087.20

Finding the Fourth Proportional to 1,090,109.60, 1,635,747.60 and 459,087.20

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Solution

The fourth proportional to 1,090,109.60, 1,635,747.60 and 459,087.20 is: 688,876.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,109.60 : 1,635,747.60 = 459,087.20 : x
  2. Step 2: Convert to fraction form
    1,090,109.60/1,635,747.60 = 459,087.20/x
  3. Step 3: Cross multiply
    1,090,109.60x = 1,635,747.60 × 459,087.20
  4. Step 4: Simplify right side
    1,090,109.60x = 750,950,785,590.72
  5. Step 5: Solve for x
    x = 750,950,785,590.72/1,090,109.60
  6. Step 6: Final answer
    x = 688,876.41

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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.