Home / 1,293,511.96-1,785,101.70-720,552.52

Finding the Fourth Proportional to 1,293,511.96, 1,785,101.70 and 720,552.52

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Solution

The fourth proportional to 1,293,511.96, 1,785,101.70 and 720,552.52 is: 994,393.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,511.96 : 1,785,101.70 = 720,552.52 : x
  2. Step 2: Convert to fraction form
    1,293,511.96/1,785,101.70 = 720,552.52/x
  3. Step 3: Cross multiply
    1,293,511.96x = 1,785,101.70 × 720,552.52
  4. Step 4: Simplify right side
    1,293,511.96x = 1,286,259,528,391.28
  5. Step 5: Solve for x
    x = 1,286,259,528,391.28/1,293,511.96
  6. Step 6: Final answer
    x = 994,393.22

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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.