Home / 1,556,959.87-2,148,605.96-868,631.86

Finding the Fourth Proportional to 1,556,959.87, 2,148,605.96 and 868,631.86

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Solution

The fourth proportional to 1,556,959.87, 2,148,605.96 and 868,631.86 is: 1,198,712.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,959.87 : 2,148,605.96 = 868,631.86 : x
  2. Step 2: Convert to fraction form
    1,556,959.87/2,148,605.96 = 868,631.86/x
  3. Step 3: Cross multiply
    1,556,959.87x = 2,148,605.96 × 868,631.86
  4. Step 4: Simplify right side
    1,556,959.87x = 1,866,347,593,613.47
  5. Step 5: Solve for x
    x = 1,866,347,593,613.47/1,556,959.87
  6. Step 6: Final answer
    x = 1,198,712.72

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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.