Home / 1,557,456.15-2,149,749.14-913,015.83

Finding the Fourth Proportional to 1,557,456.15, 2,149,749.14 and 913,015.83

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Solution

The fourth proportional to 1,557,456.15, 2,149,749.14 and 913,015.83 is: 1,260,231.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,456.15 : 2,149,749.14 = 913,015.83 : x
  2. Step 2: Convert to fraction form
    1,557,456.15/2,149,749.14 = 913,015.83/x
  3. Step 3: Cross multiply
    1,557,456.15x = 2,149,749.14 × 913,015.83
  4. Step 4: Simplify right side
    1,557,456.15x = 1,962,754,990,783.81
  5. Step 5: Solve for x
    x = 1,962,754,990,783.81/1,557,456.15
  6. Step 6: Final answer
    x = 1,260,231.30

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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.