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Finding the Fourth Proportional to 750,030.36, 1,129,062.39 and 672,873

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Solution

The fourth proportional to 750,030.36, 1,129,062.39 and 672,873 is: 1,012,913.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,030.36 : 1,129,062.39 = 672,873 : x
  2. Step 2: Convert to fraction form
    750,030.36/1,129,062.39 = 672,873/x
  3. Step 3: Cross multiply
    750,030.36x = 1,129,062.39 × 672,873
  4. Step 4: Simplify right side
    750,030.36x = 759,715,597,546.47
  5. Step 5: Solve for x
    x = 759,715,597,546.47/750,030.36
  6. Step 6: Final answer
    x = 1,012,913.13

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.