Home / 1,261,846.76-1,741,282.61-688,776.21

Finding the Fourth Proportional to 1,261,846.76, 1,741,282.61 and 688,776.21

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Solution

The fourth proportional to 1,261,846.76, 1,741,282.61 and 688,776.21 is: 950,475.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,846.76 : 1,741,282.61 = 688,776.21 : x
  2. Step 2: Convert to fraction form
    1,261,846.76/1,741,282.61 = 688,776.21/x
  3. Step 3: Cross multiply
    1,261,846.76x = 1,741,282.61 × 688,776.21
  4. Step 4: Simplify right side
    1,261,846.76x = 1,199,354,033,210.83
  5. Step 5: Solve for x
    x = 1,199,354,033,210.83/1,261,846.76
  6. Step 6: Final answer
    x = 950,475.19

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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.