Home / 1,206,029.52-1,664,342.64-662,216.58

Finding the Fourth Proportional to 1,206,029.52, 1,664,342.64 and 662,216.58

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Solution

The fourth proportional to 1,206,029.52, 1,664,342.64 and 662,216.58 is: 913,870.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,029.52 : 1,664,342.64 = 662,216.58 : x
  2. Step 2: Convert to fraction form
    1,206,029.52/1,664,342.64 = 662,216.58/x
  3. Step 3: Cross multiply
    1,206,029.52x = 1,664,342.64 × 662,216.58
  4. Step 4: Simplify right side
    1,206,029.52x = 1,102,155,291,008.97
  5. Step 5: Solve for x
    x = 1,102,155,291,008.97/1,206,029.52
  6. Step 6: Final answer
    x = 913,870.91

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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.