Home / 1,737,288.87-2,605,971.15-1,222,851.78

Finding the Fourth Proportional to 1,737,288.87, 2,605,971.15 and 1,222,851.78

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Solution

The fourth proportional to 1,737,288.87, 2,605,971.15 and 1,222,851.78 is: 1,834,304.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,737,288.87 : 2,605,971.15 = 1,222,851.78 : x
  2. Step 2: Convert to fraction form
    1,737,288.87/2,605,971.15 = 1,222,851.78/x
  3. Step 3: Cross multiply
    1,737,288.87x = 2,605,971.15 × 1,222,851.78
  4. Step 4: Simplify right side
    1,737,288.87x = 3,186,716,459,406.15
  5. Step 5: Solve for x
    x = 3,186,716,459,406.15/1,737,288.87
  6. Step 6: Final answer
    x = 1,834,304.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.