Home / 1,415,032.82-1,952,780.28-770,488.28

Finding the Fourth Proportional to 1,415,032.82, 1,952,780.28 and 770,488.28

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Solution

The fourth proportional to 1,415,032.82, 1,952,780.28 and 770,488.28 is: 1,063,292.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,032.82 : 1,952,780.28 = 770,488.28 : x
  2. Step 2: Convert to fraction form
    1,415,032.82/1,952,780.28 = 770,488.28/x
  3. Step 3: Cross multiply
    1,415,032.82x = 1,952,780.28 × 770,488.28
  4. Step 4: Simplify right side
    1,415,032.82x = 1,504,594,319,155.12
  5. Step 5: Solve for x
    x = 1,504,594,319,155.12/1,415,032.82
  6. Step 6: Final answer
    x = 1,063,292.88

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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.