Home / 991,102.74-1,486,636.56-375,725.14

Finding the Fourth Proportional to 991,102.74, 1,486,636.56 and 375,725.14

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Solution

The fourth proportional to 991,102.74, 1,486,636.56 and 375,725.14 is: 563,581.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,102.74 : 1,486,636.56 = 375,725.14 : x
  2. Step 2: Convert to fraction form
    991,102.74/1,486,636.56 = 375,725.14/x
  3. Step 3: Cross multiply
    991,102.74x = 1,486,636.56 × 375,725.14
  4. Step 4: Simplify right side
    991,102.74x = 558,566,729,635.12
  5. Step 5: Solve for x
    x = 558,566,729,635.12/991,102.74
  6. Step 6: Final answer
    x = 563,581.06

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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.