Home / 1,112,228.40-1,668,342.60-972,260.40

Finding the Fourth Proportional to 1,112,228.40, 1,668,342.60 and 972,260.40

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Solution

The fourth proportional to 1,112,228.40, 1,668,342.60 and 972,260.40 is: 1,458,390.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,228.40 : 1,668,342.60 = 972,260.40 : x
  2. Step 2: Convert to fraction form
    1,112,228.40/1,668,342.60 = 972,260.40/x
  3. Step 3: Cross multiply
    1,112,228.40x = 1,668,342.60 × 972,260.40
  4. Step 4: Simplify right side
    1,112,228.40x = 1,622,063,443,613.04
  5. Step 5: Solve for x
    x = 1,622,063,443,613.04/1,112,228.40
  6. Step 6: Final answer
    x = 1,458,390.60

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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.