Home / 1,127,179.28-1,555,742.12-1,036,391.43

Finding the Fourth Proportional to 1,127,179.28, 1,555,742.12 and 1,036,391.43

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Solution

The fourth proportional to 1,127,179.28, 1,555,742.12 and 1,036,391.43 is: 1,430,435.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,179.28 : 1,555,742.12 = 1,036,391.43 : x
  2. Step 2: Convert to fraction form
    1,127,179.28/1,555,742.12 = 1,036,391.43/x
  3. Step 3: Cross multiply
    1,127,179.28x = 1,555,742.12 × 1,036,391.43
  4. Step 4: Simplify right side
    1,127,179.28x = 1,612,357,795,276.07
  5. Step 5: Solve for x
    x = 1,612,357,795,276.07/1,127,179.28
  6. Step 6: Final answer
    x = 1,430,435.98

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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.