Home / 1,245,411.24-1,718,012.79-786,359.94

Finding the Fourth Proportional to 1,245,411.24, 1,718,012.79 and 786,359.94

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Solution

The fourth proportional to 1,245,411.24, 1,718,012.79 and 786,359.94 is: 1,084,763.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,411.24 : 1,718,012.79 = 786,359.94 : x
  2. Step 2: Convert to fraction form
    1,245,411.24/1,718,012.79 = 786,359.94/x
  3. Step 3: Cross multiply
    1,245,411.24x = 1,718,012.79 × 786,359.94
  4. Step 4: Simplify right side
    1,245,411.24x = 1,350,976,434,463.63
  5. Step 5: Solve for x
    x = 1,350,976,434,463.63/1,245,411.24
  6. Step 6: Final answer
    x = 1,084,763.32

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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.