Home / 1,265,182.20-1,895,673.78-890,417.88

Finding the Fourth Proportional to 1,265,182.20, 1,895,673.78 and 890,417.88

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Solution

The fourth proportional to 1,265,182.20, 1,895,673.78 and 890,417.88 is: 1,334,149.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,182.20 : 1,895,673.78 = 890,417.88 : x
  2. Step 2: Convert to fraction form
    1,265,182.20/1,895,673.78 = 890,417.88/x
  3. Step 3: Cross multiply
    1,265,182.20x = 1,895,673.78 × 890,417.88
  4. Step 4: Simplify right side
    1,265,182.20x = 1,687,941,828,359.19
  5. Step 5: Solve for x
    x = 1,687,941,828,359.19/1,265,182.20
  6. Step 6: Final answer
    x = 1,334,149.21

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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.