Home / 1,432,499.20-2,148,748.80-435,097.60

Finding the Fourth Proportional to 1,432,499.20, 2,148,748.80 and 435,097.60

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Solution

The fourth proportional to 1,432,499.20, 2,148,748.80 and 435,097.60 is: 652,646.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,499.20 : 2,148,748.80 = 435,097.60 : x
  2. Step 2: Convert to fraction form
    1,432,499.20/2,148,748.80 = 435,097.60/x
  3. Step 3: Cross multiply
    1,432,499.20x = 2,148,748.80 × 435,097.60
  4. Step 4: Simplify right side
    1,432,499.20x = 934,915,445,882.88
  5. Step 5: Solve for x
    x = 934,915,445,882.88/1,432,499.20
  6. Step 6: Final answer
    x = 652,646.40

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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.