Home / 1,521,118.95-2,099,260.73-867,759.35

Finding the Fourth Proportional to 1,521,118.95, 2,099,260.73 and 867,759.35

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Solution

The fourth proportional to 1,521,118.95, 2,099,260.73 and 867,759.35 is: 1,197,574.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,118.95 : 2,099,260.73 = 867,759.35 : x
  2. Step 2: Convert to fraction form
    1,521,118.95/2,099,260.73 = 867,759.35/x
  3. Step 3: Cross multiply
    1,521,118.95x = 2,099,260.73 × 867,759.35
  4. Step 4: Simplify right side
    1,521,118.95x = 1,821,653,126,545.33
  5. Step 5: Solve for x
    x = 1,821,653,126,545.33/1,521,118.95
  6. Step 6: Final answer
    x = 1,197,574.41

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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.