Home / 1,942,818.48-2,912,463.48-679,957.20

Finding the Fourth Proportional to 1,942,818.48, 2,912,463.48 and 679,957.20

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Solution

The fourth proportional to 1,942,818.48, 2,912,463.48 and 679,957.20 is: 1,019,318.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942,818.48 : 2,912,463.48 = 679,957.20 : x
  2. Step 2: Convert to fraction form
    1,942,818.48/2,912,463.48 = 679,957.20/x
  3. Step 3: Cross multiply
    1,942,818.48x = 2,912,463.48 × 679,957.20
  4. Step 4: Simplify right side
    1,942,818.48x = 1,980,350,512,963.06
  5. Step 5: Solve for x
    x = 1,980,350,512,963.06/1,942,818.48
  6. Step 6: Final answer
    x = 1,019,318.34

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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.