Home / 1,423,170.47-1,963,937.60-842,423.56

Finding the Fourth Proportional to 1,423,170.47, 1,963,937.60 and 842,423.56

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Solution

The fourth proportional to 1,423,170.47, 1,963,937.60 and 842,423.56 is: 1,162,522.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,170.47 : 1,963,937.60 = 842,423.56 : x
  2. Step 2: Convert to fraction form
    1,423,170.47/1,963,937.60 = 842,423.56/x
  3. Step 3: Cross multiply
    1,423,170.47x = 1,963,937.60 × 842,423.56
  4. Step 4: Simplify right side
    1,423,170.47x = 1,654,467,304,609.86
  5. Step 5: Solve for x
    x = 1,654,467,304,609.86/1,423,170.47
  6. Step 6: Final answer
    x = 1,162,522.23

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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.