Home / 1,245,587.64-1,718,947.37-729,293.23

Finding the Fourth Proportional to 1,245,587.64, 1,718,947.37 and 729,293.23

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Solution

The fourth proportional to 1,245,587.64, 1,718,947.37 and 729,293.23 is: 1,006,445.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,587.64 : 1,718,947.37 = 729,293.23 : x
  2. Step 2: Convert to fraction form
    1,245,587.64/1,718,947.37 = 729,293.23/x
  3. Step 3: Cross multiply
    1,245,587.64x = 1,718,947.37 × 729,293.23
  4. Step 4: Simplify right side
    1,245,587.64x = 1,253,616,678,560.59
  5. Step 5: Solve for x
    x = 1,253,616,678,560.59/1,245,587.64
  6. Step 6: Final answer
    x = 1,006,445.98

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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.