Home / 1,439,139.24-2,158,314.76-540,511.48

Finding the Fourth Proportional to 1,439,139.24, 2,158,314.76 and 540,511.48

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Solution

The fourth proportional to 1,439,139.24, 2,158,314.76 and 540,511.48 is: 810,619.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,139.24 : 2,158,314.76 = 540,511.48 : x
  2. Step 2: Convert to fraction form
    1,439,139.24/2,158,314.76 = 540,511.48/x
  3. Step 3: Cross multiply
    1,439,139.24x = 2,158,314.76 × 540,511.48
  4. Step 4: Simplify right side
    1,439,139.24x = 1,166,593,905,233.44
  5. Step 5: Solve for x
    x = 1,166,593,905,233.44/1,439,139.24
  6. Step 6: Final answer
    x = 810,619.20

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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.