Home / 1,247,826.18-1,722,000.13-674,866.35

Finding the Fourth Proportional to 1,247,826.18, 1,722,000.13 and 674,866.35

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Solution

The fourth proportional to 1,247,826.18, 1,722,000.13 and 674,866.35 is: 931,315.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,826.18 : 1,722,000.13 = 674,866.35 : x
  2. Step 2: Convert to fraction form
    1,247,826.18/1,722,000.13 = 674,866.35/x
  3. Step 3: Cross multiply
    1,247,826.18x = 1,722,000.13 × 674,866.35
  4. Step 4: Simplify right side
    1,247,826.18x = 1,162,119,942,432.63
  5. Step 5: Solve for x
    x = 1,162,119,942,432.63/1,247,826.18
  6. Step 6: Final answer
    x = 931,315.56

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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.