Home / 1,310,870.18-1,966,778.82-458,067.76

Finding the Fourth Proportional to 1,310,870.18, 1,966,778.82 and 458,067.76

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Solution

The fourth proportional to 1,310,870.18, 1,966,778.82 and 458,067.76 is: 687,267.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,870.18 : 1,966,778.82 = 458,067.76 : x
  2. Step 2: Convert to fraction form
    1,310,870.18/1,966,778.82 = 458,067.76/x
  3. Step 3: Cross multiply
    1,310,870.18x = 1,966,778.82 × 458,067.76
  4. Step 4: Simplify right side
    1,310,870.18x = 900,917,963,575.90
  5. Step 5: Solve for x
    x = 900,917,963,575.90/1,310,870.18
  6. Step 6: Final answer
    x = 687,267.11

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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.