Home / 1,432,477.16-1,976,819.51-787,946.39

Finding the Fourth Proportional to 1,432,477.16, 1,976,819.51 and 787,946.39

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Solution

The fourth proportional to 1,432,477.16, 1,976,819.51 and 787,946.39 is: 1,087,366.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,477.16 : 1,976,819.51 = 787,946.39 : x
  2. Step 2: Convert to fraction form
    1,432,477.16/1,976,819.51 = 787,946.39/x
  3. Step 3: Cross multiply
    1,432,477.16x = 1,976,819.51 × 787,946.39
  4. Step 4: Simplify right side
    1,432,477.16x = 1,557,627,796,586.07
  5. Step 5: Solve for x
    x = 1,557,627,796,586.07/1,432,477.16
  6. Step 6: Final answer
    x = 1,087,366.58

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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.