Home / 1,001,164.64-1,381,225.82-740,146.70

Finding the Fourth Proportional to 1,001,164.64, 1,381,225.82 and 740,146.70

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Solution

The fourth proportional to 1,001,164.64, 1,381,225.82 and 740,146.70 is: 1,021,120.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,164.64 : 1,381,225.82 = 740,146.70 : x
  2. Step 2: Convert to fraction form
    1,001,164.64/1,381,225.82 = 740,146.70/x
  3. Step 3: Cross multiply
    1,001,164.64x = 1,381,225.82 × 740,146.70
  4. Step 4: Simplify right side
    1,001,164.64x = 1,022,309,722,020.93
  5. Step 5: Solve for x
    x = 1,022,309,722,020.93/1,001,164.64
  6. Step 6: Final answer
    x = 1,021,120.49

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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.