Home / 1,263,049.20-1,742,987.56-690,077.08

Finding the Fourth Proportional to 1,263,049.20, 1,742,987.56 and 690,077.08

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Solution

The fourth proportional to 1,263,049.20, 1,742,987.56 and 690,077.08 is: 952,295.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,049.20 : 1,742,987.56 = 690,077.08 : x
  2. Step 2: Convert to fraction form
    1,263,049.20/1,742,987.56 = 690,077.08/x
  3. Step 3: Cross multiply
    1,263,049.20x = 1,742,987.56 × 690,077.08
  4. Step 4: Simplify right side
    1,263,049.20x = 1,202,795,765,881.12
  5. Step 5: Solve for x
    x = 1,202,795,765,881.12/1,263,049.20
  6. Step 6: Final answer
    x = 952,295.26

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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.