Home / 1,634,491.80-2,451,737.70-1,256,140.80

Finding the Fourth Proportional to 1,634,491.80, 2,451,737.70 and 1,256,140.80

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Solution

The fourth proportional to 1,634,491.80, 2,451,737.70 and 1,256,140.80 is: 1,884,211.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,634,491.80 : 2,451,737.70 = 1,256,140.80 : x
  2. Step 2: Convert to fraction form
    1,634,491.80/2,451,737.70 = 1,256,140.80/x
  3. Step 3: Cross multiply
    1,634,491.80x = 2,451,737.70 × 1,256,140.80
  4. Step 4: Simplify right side
    1,634,491.80x = 3,079,727,755,868.16
  5. Step 5: Solve for x
    x = 3,079,727,755,868.16/1,634,491.80
  6. Step 6: Final answer
    x = 1,884,211.20

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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.