Home / 1,488,672.90-2,233,009.35-857,067.30

Finding the Fourth Proportional to 1,488,672.90, 2,233,009.35 and 857,067.30

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Solution

The fourth proportional to 1,488,672.90, 2,233,009.35 and 857,067.30 is: 1,285,600.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,672.90 : 2,233,009.35 = 857,067.30 : x
  2. Step 2: Convert to fraction form
    1,488,672.90/2,233,009.35 = 857,067.30/x
  3. Step 3: Cross multiply
    1,488,672.90x = 2,233,009.35 × 857,067.30
  4. Step 4: Simplify right side
    1,488,672.90x = 1,913,839,294,479.26
  5. Step 5: Solve for x
    x = 1,913,839,294,479.26/1,488,672.90
  6. Step 6: Final answer
    x = 1,285,600.95

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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.