Home / 887,911.70-1,330,555.35-754,067.30

Finding the Fourth Proportional to 887,911.70, 1,330,555.35 and 754,067.30

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Solution

The fourth proportional to 887,911.70, 1,330,555.35 and 754,067.30 is: 1,129,986.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,911.70 : 1,330,555.35 = 754,067.30 : x
  2. Step 2: Convert to fraction form
    887,911.70/1,330,555.35 = 754,067.30/x
  3. Step 3: Cross multiply
    887,911.70x = 1,330,555.35 × 754,067.30
  4. Step 4: Simplify right side
    887,911.70x = 1,003,328,280,275.06
  5. Step 5: Solve for x
    x = 1,003,328,280,275.06/887,911.70
  6. Step 6: Final answer
    x = 1,129,986.55

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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.