Home / 1,246,959.59-1,720,803.20-673,999.76

Finding the Fourth Proportional to 1,246,959.59, 1,720,803.20 and 673,999.76

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Solution

The fourth proportional to 1,246,959.59, 1,720,803.20 and 673,999.76 is: 930,119.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,959.59 : 1,720,803.20 = 673,999.76 : x
  2. Step 2: Convert to fraction form
    1,246,959.59/1,720,803.20 = 673,999.76/x
  3. Step 3: Cross multiply
    1,246,959.59x = 1,720,803.20 × 673,999.76
  4. Step 4: Simplify right side
    1,246,959.59x = 1,159,820,943,807.23
  5. Step 5: Solve for x
    x = 1,159,820,943,807.23/1,246,959.59
  6. Step 6: Final answer
    x = 930,119.11

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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.