Home / 1,482,149.12-2,045,403.68-909,505.76

Finding the Fourth Proportional to 1,482,149.12, 2,045,403.68 and 909,505.76

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Solution

The fourth proportional to 1,482,149.12, 2,045,403.68 and 909,505.76 is: 1,255,141.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,482,149.12 : 2,045,403.68 = 909,505.76 : x
  2. Step 2: Convert to fraction form
    1,482,149.12/2,045,403.68 = 909,505.76/x
  3. Step 3: Cross multiply
    1,482,149.12x = 2,045,403.68 × 909,505.76
  4. Step 4: Simplify right side
    1,482,149.12x = 1,860,306,428,485.20
  5. Step 5: Solve for x
    x = 1,860,306,428,485.20/1,482,149.12
  6. Step 6: Final answer
    x = 1,255,141.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.