Home / 980,053.75-1,348,275.13-938,063.35

Finding the Fourth Proportional to 980,053.75, 1,348,275.13 and 938,063.35

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Solution

The fourth proportional to 980,053.75, 1,348,275.13 and 938,063.35 is: 1,290,508.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,053.75 : 1,348,275.13 = 938,063.35 : x
  2. Step 2: Convert to fraction form
    980,053.75/1,348,275.13 = 938,063.35/x
  3. Step 3: Cross multiply
    980,053.75x = 1,348,275.13 × 938,063.35
  4. Step 4: Simplify right side
    980,053.75x = 1,264,767,485,169.49
  5. Step 5: Solve for x
    x = 1,264,767,485,169.49/980,053.75
  6. Step 6: Final answer
    x = 1,290,508.29

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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.