Home / 1,381,947.38-2,074,026.99-717,289.46

Finding the Fourth Proportional to 1,381,947.38, 2,074,026.99 and 717,289.46

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Solution

The fourth proportional to 1,381,947.38, 2,074,026.99 and 717,289.46 is: 1,076,508.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,947.38 : 2,074,026.99 = 717,289.46 : x
  2. Step 2: Convert to fraction form
    1,381,947.38/2,074,026.99 = 717,289.46/x
  3. Step 3: Cross multiply
    1,381,947.38x = 2,074,026.99 × 717,289.46
  4. Step 4: Simplify right side
    1,381,947.38x = 1,487,677,699,682.53
  5. Step 5: Solve for x
    x = 1,487,677,699,682.53/1,381,947.38
  6. Step 6: Final answer
    x = 1,076,508.21

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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.