Home / 1,790,072.40-2,680,972.64-1,078,529.52

Finding the Fourth Proportional to 1,790,072.40, 2,680,972.64 and 1,078,529.52

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Solution

The fourth proportional to 1,790,072.40, 2,680,972.64 and 1,078,529.52 is: 1,615,302.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,790,072.40 : 2,680,972.64 = 1,078,529.52 : x
  2. Step 2: Convert to fraction form
    1,790,072.40/2,680,972.64 = 1,078,529.52/x
  3. Step 3: Cross multiply
    1,790,072.40x = 2,680,972.64 × 1,078,529.52
  4. Step 4: Simplify right side
    1,790,072.40x = 2,891,508,134,552.33
  5. Step 5: Solve for x
    x = 2,891,508,134,552.33/1,790,072.40
  6. Step 6: Final answer
    x = 1,615,302.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.