Home / 1,845,121.28-2,767,798.72-779,964.80

Finding the Fourth Proportional to 1,845,121.28, 2,767,798.72 and 779,964.80

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Solution

The fourth proportional to 1,845,121.28, 2,767,798.72 and 779,964.80 is: 1,169,996.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,845,121.28 : 2,767,798.72 = 779,964.80 : x
  2. Step 2: Convert to fraction form
    1,845,121.28/2,767,798.72 = 779,964.80/x
  3. Step 3: Cross multiply
    1,845,121.28x = 2,767,798.72 × 779,964.80
  4. Step 4: Simplify right side
    1,845,121.28x = 2,158,785,575,085.06
  5. Step 5: Solve for x
    x = 2,158,785,575,085.06/1,845,121.28
  6. Step 6: Final answer
    x = 1,169,996.57

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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.