Home / 1,154,343.94-1,592,992.11-645,046.33

Finding the Fourth Proportional to 1,154,343.94, 1,592,992.11 and 645,046.33

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Solution

The fourth proportional to 1,154,343.94, 1,592,992.11 and 645,046.33 is: 890,162.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,343.94 : 1,592,992.11 = 645,046.33 : x
  2. Step 2: Convert to fraction form
    1,154,343.94/1,592,992.11 = 645,046.33/x
  3. Step 3: Cross multiply
    1,154,343.94x = 1,592,992.11 × 645,046.33
  4. Step 4: Simplify right side
    1,154,343.94x = 1,027,553,714,274.46
  5. Step 5: Solve for x
    x = 1,027,553,714,274.46/1,154,343.94
  6. Step 6: Final answer
    x = 890,162.52

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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.