Home / 1,502,876.88-2,074,054.95-891,391.68

Finding the Fourth Proportional to 1,502,876.88, 2,074,054.95 and 891,391.68

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Solution

The fourth proportional to 1,502,876.88, 2,074,054.95 and 891,391.68 is: 1,230,170.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,502,876.88 : 2,074,054.95 = 891,391.68 : x
  2. Step 2: Convert to fraction form
    1,502,876.88/2,074,054.95 = 891,391.68/x
  3. Step 3: Cross multiply
    1,502,876.88x = 2,074,054.95 × 891,391.68
  4. Step 4: Simplify right side
    1,502,876.88x = 1,848,795,326,292.82
  5. Step 5: Solve for x
    x = 1,848,795,326,292.82/1,502,876.88
  6. Step 6: Final answer
    x = 1,230,170.85

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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.