Home / 1,423,948.20-1,965,033.50-770,559.90

Finding the Fourth Proportional to 1,423,948.20, 1,965,033.50 and 770,559.90

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Solution

The fourth proportional to 1,423,948.20, 1,965,033.50 and 770,559.90 is: 1,063,364.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,948.20 : 1,965,033.50 = 770,559.90 : x
  2. Step 2: Convert to fraction form
    1,423,948.20/1,965,033.50 = 770,559.90/x
  3. Step 3: Cross multiply
    1,423,948.20x = 1,965,033.50 × 770,559.90
  4. Step 4: Simplify right side
    1,423,948.20x = 1,514,176,013,403.85
  5. Step 5: Solve for x
    x = 1,514,176,013,403.85/1,423,948.20
  6. Step 6: Final answer
    x = 1,063,364.53

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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.