Home / 1,293,901.29-1,785,510.84-713,122.58

Finding the Fourth Proportional to 1,293,901.29, 1,785,510.84 and 713,122.58

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Solution

The fourth proportional to 1,293,901.29, 1,785,510.84 and 713,122.58 is: 984,068.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,901.29 : 1,785,510.84 = 713,122.58 : x
  2. Step 2: Convert to fraction form
    1,293,901.29/1,785,510.84 = 713,122.58/x
  3. Step 3: Cross multiply
    1,293,901.29x = 1,785,510.84 × 713,122.58
  4. Step 4: Simplify right side
    1,293,901.29x = 1,273,288,103,976.75
  5. Step 5: Solve for x
    x = 1,273,288,103,976.75/1,293,901.29
  6. Step 6: Final answer
    x = 984,068.97

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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.