Home / 1,246,278.77-1,868,669.40-487,216.17

Finding the Fourth Proportional to 1,246,278.77, 1,868,669.40 and 487,216.17

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Solution

The fourth proportional to 1,246,278.77, 1,868,669.40 and 487,216.17 is: 730,531.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,278.77 : 1,868,669.40 = 487,216.17 : x
  2. Step 2: Convert to fraction form
    1,246,278.77/1,868,669.40 = 487,216.17/x
  3. Step 3: Cross multiply
    1,246,278.77x = 1,868,669.40 × 487,216.17
  4. Step 4: Simplify right side
    1,246,278.77x = 910,445,945,628.12
  5. Step 5: Solve for x
    x = 910,445,945,628.12/1,246,278.77
  6. Step 6: Final answer
    x = 730,531.54

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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.