Home / 1,144,147.92-1,579,214.36-781,718.24

Finding the Fourth Proportional to 1,144,147.92, 1,579,214.36 and 781,718.24

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Solution

The fourth proportional to 1,144,147.92, 1,579,214.36 and 781,718.24 is: 1,078,969.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,144,147.92 : 1,579,214.36 = 781,718.24 : x
  2. Step 2: Convert to fraction form
    1,144,147.92/1,579,214.36 = 781,718.24/x
  3. Step 3: Cross multiply
    1,144,147.92x = 1,579,214.36 × 781,718.24
  4. Step 4: Simplify right side
    1,144,147.92x = 1,234,500,670,081.93
  5. Step 5: Solve for x
    x = 1,234,500,670,081.93/1,144,147.92
  6. Step 6: Final answer
    x = 1,078,969.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.