Home / 1,452,307.20-2,176,905.60-653,452.80

Finding the Fourth Proportional to 1,452,307.20, 2,176,905.60 and 653,452.80

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Solution

The fourth proportional to 1,452,307.20, 2,176,905.60 and 653,452.80 is: 979,479.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,452,307.20 : 2,176,905.60 = 653,452.80 : x
  2. Step 2: Convert to fraction form
    1,452,307.20/2,176,905.60 = 653,452.80/x
  3. Step 3: Cross multiply
    1,452,307.20x = 2,176,905.60 × 653,452.80
  4. Step 4: Simplify right side
    1,452,307.20x = 1,422,505,059,655.68
  5. Step 5: Solve for x
    x = 1,422,505,059,655.68/1,452,307.20
  6. Step 6: Final answer
    x = 979,479.45

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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.