Home / 1,215,048.94-1,676,750.01-663,757.94

Finding the Fourth Proportional to 1,215,048.94, 1,676,750.01 and 663,757.94

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Solution

The fourth proportional to 1,215,048.94, 1,676,750.01 and 663,757.94 is: 915,976.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,048.94 : 1,676,750.01 = 663,757.94 : x
  2. Step 2: Convert to fraction form
    1,215,048.94/1,676,750.01 = 663,757.94/x
  3. Step 3: Cross multiply
    1,215,048.94x = 1,676,750.01 × 663,757.94
  4. Step 4: Simplify right side
    1,215,048.94x = 1,112,956,132,532.58
  5. Step 5: Solve for x
    x = 1,112,956,132,532.58/1,215,048.94
  6. Step 6: Final answer
    x = 915,976.38

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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.