Home / 674,495.20-1,011,719.40-169,060.60

Finding the Fourth Proportional to 674,495.20, 1,011,719.40 and 169,060.60

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Solution

The fourth proportional to 674,495.20, 1,011,719.40 and 169,060.60 is: 253,585.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,495.20 : 1,011,719.40 = 169,060.60 : x
  2. Step 2: Convert to fraction form
    674,495.20/1,011,719.40 = 169,060.60/x
  3. Step 3: Cross multiply
    674,495.20x = 1,011,719.40 × 169,060.60
  4. Step 4: Simplify right side
    674,495.20x = 171,041,888,795.64
  5. Step 5: Solve for x
    x = 171,041,888,795.64/674,495.20
  6. Step 6: Final answer
    x = 253,585.03

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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.