Home / 1,644,334.08-2,268,890.40-918,949.92

Finding the Fourth Proportional to 1,644,334.08, 2,268,890.40 and 918,949.92

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Solution

The fourth proportional to 1,644,334.08, 2,268,890.40 and 918,949.92 is: 1,267,988.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,644,334.08 : 2,268,890.40 = 918,949.92 : x
  2. Step 2: Convert to fraction form
    1,644,334.08/2,268,890.40 = 918,949.92/x
  3. Step 3: Cross multiply
    1,644,334.08x = 2,268,890.40 × 918,949.92
  4. Step 4: Simplify right side
    1,644,334.08x = 2,084,996,651,568.77
  5. Step 5: Solve for x
    x = 2,084,996,651,568.77/1,644,334.08
  6. Step 6: Final answer
    x = 1,267,988.47

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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.