Home / 1,855,077.32-2,559,425.64-1,039,170.80

Finding the Fourth Proportional to 1,855,077.32, 2,559,425.64 and 1,039,170.80

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Solution

The fourth proportional to 1,855,077.32, 2,559,425.64 and 1,039,170.80 is: 1,433,730.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,855,077.32 : 2,559,425.64 = 1,039,170.80 : x
  2. Step 2: Convert to fraction form
    1,855,077.32/2,559,425.64 = 1,039,170.80/x
  3. Step 3: Cross multiply
    1,855,077.32x = 2,559,425.64 × 1,039,170.80
  4. Step 4: Simplify right side
    1,855,077.32x = 2,659,680,389,859.31
  5. Step 5: Solve for x
    x = 2,659,680,389,859.31/1,855,077.32
  6. Step 6: Final answer
    x = 1,433,730.21

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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.