Home / 1,521,120.95-2,099,263.49-867,761.35

Finding the Fourth Proportional to 1,521,120.95, 2,099,263.49 and 867,761.35

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Solution

The fourth proportional to 1,521,120.95, 2,099,263.49 and 867,761.35 is: 1,197,577.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,120.95 : 2,099,263.49 = 867,761.35 : x
  2. Step 2: Convert to fraction form
    1,521,120.95/2,099,263.49 = 867,761.35/x
  3. Step 3: Cross multiply
    1,521,120.95x = 2,099,263.49 × 867,761.35
  4. Step 4: Simplify right side
    1,521,120.95x = 1,821,659,720,088.11
  5. Step 5: Solve for x
    x = 1,821,659,720,088.11/1,521,120.95
  6. Step 6: Final answer
    x = 1,197,577.17

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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.