Home / 1,261,934.28-1,741,460.20-688,974.45

Finding the Fourth Proportional to 1,261,934.28, 1,741,460.20 and 688,974.45

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Solution

The fourth proportional to 1,261,934.28, 1,741,460.20 and 688,974.45 is: 950,779.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,934.28 : 1,741,460.20 = 688,974.45 : x
  2. Step 2: Convert to fraction form
    1,261,934.28/1,741,460.20 = 688,974.45/x
  3. Step 3: Cross multiply
    1,261,934.28x = 1,741,460.20 × 688,974.45
  4. Step 4: Simplify right side
    1,261,934.28x = 1,199,821,583,491.89
  5. Step 5: Solve for x
    x = 1,199,821,583,491.89/1,261,934.28
  6. Step 6: Final answer
    x = 950,779.77

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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.