Home / 1,125,245.03-1,687,867.61-272,316.75

Finding the Fourth Proportional to 1,125,245.03, 1,687,867.61 and 272,316.75

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Solution

The fourth proportional to 1,125,245.03, 1,687,867.61 and 272,316.75 is: 408,475.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,245.03 : 1,687,867.61 = 272,316.75 : x
  2. Step 2: Convert to fraction form
    1,125,245.03/1,687,867.61 = 272,316.75/x
  3. Step 3: Cross multiply
    1,125,245.03x = 1,687,867.61 × 272,316.75
  4. Step 4: Simplify right side
    1,125,245.03x = 459,634,621,985.47
  5. Step 5: Solve for x
    x = 459,634,621,985.47/1,125,245.03
  6. Step 6: Final answer
    x = 408,475.14

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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.