Home / 1,368,680.20-1,888,850.48-824,988.76

Finding the Fourth Proportional to 1,368,680.20, 1,888,850.48 and 824,988.76

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Solution

The fourth proportional to 1,368,680.20, 1,888,850.48 and 824,988.76 is: 1,138,527.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,680.20 : 1,888,850.48 = 824,988.76 : x
  2. Step 2: Convert to fraction form
    1,368,680.20/1,888,850.48 = 824,988.76/x
  3. Step 3: Cross multiply
    1,368,680.20x = 1,888,850.48 × 824,988.76
  4. Step 4: Simplify right side
    1,368,680.20x = 1,558,280,415,320.60
  5. Step 5: Solve for x
    x = 1,558,280,415,320.60/1,368,680.20
  6. Step 6: Final answer
    x = 1,138,527.77

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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.