Home / 1,272,901.74-1,756,604.41-699,941.90

Finding the Fourth Proportional to 1,272,901.74, 1,756,604.41 and 699,941.90

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Solution

The fourth proportional to 1,272,901.74, 1,756,604.41 and 699,941.90 is: 965,919.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,901.74 : 1,756,604.41 = 699,941.90 : x
  2. Step 2: Convert to fraction form
    1,272,901.74/1,756,604.41 = 699,941.90/x
  3. Step 3: Cross multiply
    1,272,901.74x = 1,756,604.41 × 699,941.90
  4. Step 4: Simplify right side
    1,272,901.74x = 1,229,521,030,925.44
  5. Step 5: Solve for x
    x = 1,229,521,030,925.44/1,272,901.74
  6. Step 6: Final answer
    x = 965,919.83

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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.