Home / 1,571,045.46-2,168,044.56-891,981.96

Finding the Fourth Proportional to 1,571,045.46, 2,168,044.56 and 891,981.96

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Solution

The fourth proportional to 1,571,045.46, 2,168,044.56 and 891,981.96 is: 1,230,936.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,571,045.46 : 2,168,044.56 = 891,981.96 : x
  2. Step 2: Convert to fraction form
    1,571,045.46/2,168,044.56 = 891,981.96/x
  3. Step 3: Cross multiply
    1,571,045.46x = 2,168,044.56 × 891,981.96
  4. Step 4: Simplify right side
    1,571,045.46x = 1,933,856,635,996.14
  5. Step 5: Solve for x
    x = 1,933,856,635,996.14/1,571,045.46
  6. Step 6: Final answer
    x = 1,230,936.14

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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.