Home / 1,022,684.31-1,534,026.60-312,712.38

Finding the Fourth Proportional to 1,022,684.31, 1,534,026.60 and 312,712.38

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Solution

The fourth proportional to 1,022,684.31, 1,534,026.60 and 312,712.38 is: 469,068.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,684.31 : 1,534,026.60 = 312,712.38 : x
  2. Step 2: Convert to fraction form
    1,022,684.31/1,534,026.60 = 312,712.38/x
  3. Step 3: Cross multiply
    1,022,684.31x = 1,534,026.60 × 312,712.38
  4. Step 4: Simplify right side
    1,022,684.31x = 479,709,109,069.31
  5. Step 5: Solve for x
    x = 479,709,109,069.31/1,022,684.31
  6. Step 6: Final answer
    x = 469,068.61

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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.