Home / 1,541,542.67-2,311,263.02-781,919.37

Finding the Fourth Proportional to 1,541,542.67, 2,311,263.02 and 781,919.37

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Solution

The fourth proportional to 1,541,542.67, 2,311,263.02 and 781,919.37 is: 1,172,345.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,541,542.67 : 2,311,263.02 = 781,919.37 : x
  2. Step 2: Convert to fraction form
    1,541,542.67/2,311,263.02 = 781,919.37/x
  3. Step 3: Cross multiply
    1,541,542.67x = 2,311,263.02 × 781,919.37
  4. Step 4: Simplify right side
    1,541,542.67x = 1,807,221,325,931.99
  5. Step 5: Solve for x
    x = 1,807,221,325,931.99/1,541,542.67
  6. Step 6: Final answer
    x = 1,172,345.97

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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.