Home / 1,689,860.90-2,332,101.42-964,941.48

Finding the Fourth Proportional to 1,689,860.90, 2,332,101.42 and 964,941.48

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Solution

The fourth proportional to 1,689,860.90, 2,332,101.42 and 964,941.48 is: 1,331,672.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,860.90 : 2,332,101.42 = 964,941.48 : x
  2. Step 2: Convert to fraction form
    1,689,860.90/2,332,101.42 = 964,941.48/x
  3. Step 3: Cross multiply
    1,689,860.90x = 2,332,101.42 × 964,941.48
  4. Step 4: Simplify right side
    1,689,860.90x = 2,250,341,395,724.90
  5. Step 5: Solve for x
    x = 2,250,341,395,724.90/1,689,860.90
  6. Step 6: Final answer
    x = 1,331,672.57

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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.