Home / 1,386,285.76-2,080,206.24-755,243.92

Finding the Fourth Proportional to 1,386,285.76, 2,080,206.24 and 755,243.92

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Solution

The fourth proportional to 1,386,285.76, 2,080,206.24 and 755,243.92 is: 1,133,289.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,285.76 : 2,080,206.24 = 755,243.92 : x
  2. Step 2: Convert to fraction form
    1,386,285.76/2,080,206.24 = 755,243.92/x
  3. Step 3: Cross multiply
    1,386,285.76x = 2,080,206.24 × 755,243.92
  4. Step 4: Simplify right side
    1,386,285.76x = 1,571,063,115,106.06
  5. Step 5: Solve for x
    x = 1,571,063,115,106.06/1,386,285.76
  6. Step 6: Final answer
    x = 1,133,289.51

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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.