Home / 1,354,472.51-1,869,100.62-773,581.43

Finding the Fourth Proportional to 1,354,472.51, 1,869,100.62 and 773,581.43

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Solution

The fourth proportional to 1,354,472.51, 1,869,100.62 and 773,581.43 is: 1,067,501.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,354,472.51 : 1,869,100.62 = 773,581.43 : x
  2. Step 2: Convert to fraction form
    1,354,472.51/1,869,100.62 = 773,581.43/x
  3. Step 3: Cross multiply
    1,354,472.51x = 1,869,100.62 × 773,581.43
  4. Step 4: Simplify right side
    1,354,472.51x = 1,445,901,531,238.33
  5. Step 5: Solve for x
    x = 1,445,901,531,238.33/1,354,472.51
  6. Step 6: Final answer
    x = 1,067,501.57

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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.