Home / 1,753,759.45-2,420,140.81-979,368.72

Finding the Fourth Proportional to 1,753,759.45, 2,420,140.81 and 979,368.72

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Solution

The fourth proportional to 1,753,759.45, 2,420,140.81 and 979,368.72 is: 1,351,502.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,753,759.45 : 2,420,140.81 = 979,368.72 : x
  2. Step 2: Convert to fraction form
    1,753,759.45/2,420,140.81 = 979,368.72/x
  3. Step 3: Cross multiply
    1,753,759.45x = 2,420,140.81 × 979,368.72
  4. Step 4: Simplify right side
    1,753,759.45x = 2,370,210,207,309.46
  5. Step 5: Solve for x
    x = 2,370,210,207,309.46/1,753,759.45
  6. Step 6: Final answer
    x = 1,351,502.46

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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.