Home / 1,432,550.89-1,976,887.74-787,957.24

Finding the Fourth Proportional to 1,432,550.89, 1,976,887.74 and 787,957.24

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Solution

The fourth proportional to 1,432,550.89, 1,976,887.74 and 787,957.24 is: 1,087,363.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,550.89 : 1,976,887.74 = 787,957.24 : x
  2. Step 2: Convert to fraction form
    1,432,550.89/1,976,887.74 = 787,957.24/x
  3. Step 3: Cross multiply
    1,432,550.89x = 1,976,887.74 × 787,957.24
  4. Step 4: Simplify right side
    1,432,550.89x = 1,557,703,007,400.24
  5. Step 5: Solve for x
    x = 1,557,703,007,400.24/1,432,550.89
  6. Step 6: Final answer
    x = 1,087,363.12

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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.