Home / 1,302,236.10-1,955,521.71-878,499.18

Finding the Fourth Proportional to 1,302,236.10, 1,955,521.71 and 878,499.18

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Solution

The fourth proportional to 1,302,236.10, 1,955,521.71 and 878,499.18 is: 1,319,211.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,236.10 : 1,955,521.71 = 878,499.18 : x
  2. Step 2: Convert to fraction form
    1,302,236.10/1,955,521.71 = 878,499.18/x
  3. Step 3: Cross multiply
    1,302,236.10x = 1,955,521.71 × 878,499.18
  4. Step 4: Simplify right side
    1,302,236.10x = 1,717,924,218,707.20
  5. Step 5: Solve for x
    x = 1,717,924,218,707.20/1,302,236.10
  6. Step 6: Final answer
    x = 1,319,211.02

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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.