Home / 1,542,377.63-2,313,965.73-903,221.39

Finding the Fourth Proportional to 1,542,377.63, 2,313,965.73 and 903,221.39

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Solution

The fourth proportional to 1,542,377.63, 2,313,965.73 and 903,221.39 is: 1,355,065.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,542,377.63 : 2,313,965.73 = 903,221.39 : x
  2. Step 2: Convert to fraction form
    1,542,377.63/2,313,965.73 = 903,221.39/x
  3. Step 3: Cross multiply
    1,542,377.63x = 2,313,965.73 × 903,221.39
  4. Step 4: Simplify right side
    1,542,377.63x = 2,090,023,343,062.96
  5. Step 5: Solve for x
    x = 2,090,023,343,062.96/1,542,377.63
  6. Step 6: Final answer
    x = 1,355,065.91

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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.