Home / 1,170,036.70-1,755,055.05-815,451.10

Finding the Fourth Proportional to 1,170,036.70, 1,755,055.05 and 815,451.10

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Solution

The fourth proportional to 1,170,036.70, 1,755,055.05 and 815,451.10 is: 1,223,176.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,036.70 : 1,755,055.05 = 815,451.10 : x
  2. Step 2: Convert to fraction form
    1,170,036.70/1,755,055.05 = 815,451.10/x
  3. Step 3: Cross multiply
    1,170,036.70x = 1,755,055.05 × 815,451.10
  4. Step 4: Simplify right side
    1,170,036.70x = 1,431,161,571,083.06
  5. Step 5: Solve for x
    x = 1,431,161,571,083.06/1,170,036.70
  6. Step 6: Final answer
    x = 1,223,176.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.