Home / 1,356,959.69-1,872,519.20-745,108.17

Finding the Fourth Proportional to 1,356,959.69, 1,872,519.20 and 745,108.17

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Solution

The fourth proportional to 1,356,959.69, 1,872,519.20 and 745,108.17 is: 1,028,202.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,356,959.69 : 1,872,519.20 = 745,108.17 : x
  2. Step 2: Convert to fraction form
    1,356,959.69/1,872,519.20 = 745,108.17/x
  3. Step 3: Cross multiply
    1,356,959.69x = 1,872,519.20 × 745,108.17
  4. Step 4: Simplify right side
    1,356,959.69x = 1,395,229,354,401.86
  5. Step 5: Solve for x
    x = 1,395,229,354,401.86/1,356,959.69
  6. Step 6: Final answer
    x = 1,028,202.51

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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.