Home / 1,125,924.39-1,553,886.60-642,562.29

Finding the Fourth Proportional to 1,125,924.39, 1,553,886.60 and 642,562.29

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Solution

The fourth proportional to 1,125,924.39, 1,553,886.60 and 642,562.29 is: 886,799.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,924.39 : 1,553,886.60 = 642,562.29 : x
  2. Step 2: Convert to fraction form
    1,125,924.39/1,553,886.60 = 642,562.29/x
  3. Step 3: Cross multiply
    1,125,924.39x = 1,553,886.60 × 642,562.29
  4. Step 4: Simplify right side
    1,125,924.39x = 998,468,932,096.31
  5. Step 5: Solve for x
    x = 998,468,932,096.31/1,125,924.39
  6. Step 6: Final answer
    x = 886,799.27

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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.