Home / 1,261,885.30-1,741,320.62-688,924.24

Finding the Fourth Proportional to 1,261,885.30, 1,741,320.62 and 688,924.24

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Solution

The fourth proportional to 1,261,885.30, 1,741,320.62 and 688,924.24 is: 950,671.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,885.30 : 1,741,320.62 = 688,924.24 : x
  2. Step 2: Convert to fraction form
    1,261,885.30/1,741,320.62 = 688,924.24/x
  3. Step 3: Cross multiply
    1,261,885.30x = 1,741,320.62 × 688,924.24
  4. Step 4: Simplify right side
    1,261,885.30x = 1,199,637,984,729.83
  5. Step 5: Solve for x
    x = 1,199,637,984,729.83/1,261,885.30
  6. Step 6: Final answer
    x = 950,671.18

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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.