Home / 1,386,610.50-2,079,652.71-675,923.78

Finding the Fourth Proportional to 1,386,610.50, 2,079,652.71 and 675,923.78

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Solution

The fourth proportional to 1,386,610.50, 2,079,652.71 and 675,923.78 is: 1,013,757.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,610.50 : 2,079,652.71 = 675,923.78 : x
  2. Step 2: Convert to fraction form
    1,386,610.50/2,079,652.71 = 675,923.78/x
  3. Step 3: Cross multiply
    1,386,610.50x = 2,079,652.71 × 675,923.78
  4. Step 4: Simplify right side
    1,386,610.50x = 1,405,686,720,830.44
  5. Step 5: Solve for x
    x = 1,405,686,720,830.44/1,386,610.50
  6. Step 6: Final answer
    x = 1,013,757.45

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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.