Home / 1,094,080.78-1,508,641.23-711,397.90

Finding the Fourth Proportional to 1,094,080.78, 1,508,641.23 and 711,397.90

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Solution

The fourth proportional to 1,094,080.78, 1,508,641.23 and 711,397.90 is: 980,955.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,094,080.78 : 1,508,641.23 = 711,397.90 : x
  2. Step 2: Convert to fraction form
    1,094,080.78/1,508,641.23 = 711,397.90/x
  3. Step 3: Cross multiply
    1,094,080.78x = 1,508,641.23 × 711,397.90
  4. Step 4: Simplify right side
    1,094,080.78x = 1,073,244,202,875.42
  5. Step 5: Solve for x
    x = 1,073,244,202,875.42/1,094,080.78
  6. Step 6: Final answer
    x = 980,955.17

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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.