Home / 1,438,228.33-1,984,867.13-826,594.49

Finding the Fourth Proportional to 1,438,228.33, 1,984,867.13 and 826,594.49

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Solution

The fourth proportional to 1,438,228.33, 1,984,867.13 and 826,594.49 is: 1,140,764.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,228.33 : 1,984,867.13 = 826,594.49 : x
  2. Step 2: Convert to fraction form
    1,438,228.33/1,984,867.13 = 826,594.49/x
  3. Step 3: Cross multiply
    1,438,228.33x = 1,984,867.13 × 826,594.49
  4. Step 4: Simplify right side
    1,438,228.33x = 1,640,680,240,068.77
  5. Step 5: Solve for x
    x = 1,640,680,240,068.77/1,438,228.33
  6. Step 6: Final answer
    x = 1,140,764.79

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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.