Home / 1,207,588.80-1,802,340.38-1,187,657.88

Finding the Fourth Proportional to 1,207,588.80, 1,802,340.38 and 1,187,657.88

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Solution

The fourth proportional to 1,207,588.80, 1,802,340.38 and 1,187,657.88 is: 1,772,593.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,588.80 : 1,802,340.38 = 1,187,657.88 : x
  2. Step 2: Convert to fraction form
    1,207,588.80/1,802,340.38 = 1,187,657.88/x
  3. Step 3: Cross multiply
    1,207,588.80x = 1,802,340.38 × 1,187,657.88
  4. Step 4: Simplify right side
    1,207,588.80x = 2,140,563,754,749.19
  5. Step 5: Solve for x
    x = 2,140,563,754,749.19/1,207,588.80
  6. Step 6: Final answer
    x = 1,772,593.25

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.