Home / 835,639.13-1,159,081.75-813,490.46

Finding the Fourth Proportional to 835,639.13, 1,159,081.75 and 813,490.46

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Solution

The fourth proportional to 835,639.13, 1,159,081.75 and 813,490.46 is: 1,128,360.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,639.13 : 1,159,081.75 = 813,490.46 : x
  2. Step 2: Convert to fraction form
    835,639.13/1,159,081.75 = 813,490.46/x
  3. Step 3: Cross multiply
    835,639.13x = 1,159,081.75 × 813,490.46
  4. Step 4: Simplify right side
    835,639.13x = 942,901,945,553.12
  5. Step 5: Solve for x
    x = 942,901,945,553.12/835,639.13
  6. Step 6: Final answer
    x = 1,128,360.21

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.