Home / 1,392,237.78-2,088,358.33-381,368.45

Finding the Fourth Proportional to 1,392,237.78, 2,088,358.33 and 381,368.45

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Solution

The fourth proportional to 1,392,237.78, 2,088,358.33 and 381,368.45 is: 572,053.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,392,237.78 : 2,088,358.33 = 381,368.45 : x
  2. Step 2: Convert to fraction form
    1,392,237.78/2,088,358.33 = 381,368.45/x
  3. Step 3: Cross multiply
    1,392,237.78x = 2,088,358.33 × 381,368.45
  4. Step 4: Simplify right side
    1,392,237.78x = 796,433,967,961.48
  5. Step 5: Solve for x
    x = 796,433,967,961.48/1,392,237.78
  6. Step 6: Final answer
    x = 572,053.12

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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.