Home / 1,092,499.65-1,638,764.60-418,615.02

Finding the Fourth Proportional to 1,092,499.65, 1,638,764.60 and 418,615.02

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Solution

The fourth proportional to 1,092,499.65, 1,638,764.60 and 418,615.02 is: 627,928.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,499.65 : 1,638,764.60 = 418,615.02 : x
  2. Step 2: Convert to fraction form
    1,092,499.65/1,638,764.60 = 418,615.02/x
  3. Step 3: Cross multiply
    1,092,499.65x = 1,638,764.60 × 418,615.02
  4. Step 4: Simplify right side
    1,092,499.65x = 686,011,473,711.22
  5. Step 5: Solve for x
    x = 686,011,473,711.22/1,092,499.65
  6. Step 6: Final answer
    x = 627,928.32

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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.