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Finding the Fourth Proportional to 1,097,739, 1,644,908.04 and 761,433.48

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Solution

The fourth proportional to 1,097,739, 1,644,908.04 and 761,433.48 is: 1,140,970.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,739 : 1,644,908.04 = 761,433.48 : x
  2. Step 2: Convert to fraction form
    1,097,739/1,644,908.04 = 761,433.48/x
  3. Step 3: Cross multiply
    1,097,739x = 1,644,908.04 × 761,433.48
  4. Step 4: Simplify right side
    1,097,739x = 1,252,488,053,177.18
  5. Step 5: Solve for x
    x = 1,252,488,053,177.18/1,097,739
  6. Step 6: Final answer
    x = 1,140,970.72

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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.