Home / 1,022,686.32-1,534,029.60-312,714.38

Finding the Fourth Proportional to 1,022,686.32, 1,534,029.60 and 312,714.38

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Solution

The fourth proportional to 1,022,686.32, 1,534,029.60 and 312,714.38 is: 469,071.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,686.32 : 1,534,029.60 = 312,714.38 : x
  2. Step 2: Convert to fraction form
    1,022,686.32/1,534,029.60 = 312,714.38/x
  3. Step 3: Cross multiply
    1,022,686.32x = 1,534,029.60 × 312,714.38
  4. Step 4: Simplify right side
    1,022,686.32x = 479,713,115,265.65
  5. Step 5: Solve for x
    x = 479,713,115,265.65/1,022,686.32
  6. Step 6: Final answer
    x = 469,071.61

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1.5x scale

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.