Home / 1,090,074.60-1,635,371.10-458,663.40

Finding the Fourth Proportional to 1,090,074.60, 1,635,371.10 and 458,663.40

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Solution

The fourth proportional to 1,090,074.60, 1,635,371.10 and 458,663.40 is: 688,104.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,074.60 : 1,635,371.10 = 458,663.40 : x
  2. Step 2: Convert to fraction form
    1,090,074.60/1,635,371.10 = 458,663.40/x
  3. Step 3: Cross multiply
    1,090,074.60x = 1,635,371.10 × 458,663.40
  4. Step 4: Simplify right side
    1,090,074.60x = 750,084,868,987.74
  5. Step 5: Solve for x
    x = 750,084,868,987.74/1,090,074.60
  6. Step 6: Final answer
    x = 688,104.16

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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.