Home / 1,126,712.58-1,690,345.74-328,001

Finding the Fourth Proportional to 1,126,712.58, 1,690,345.74 and 328,001

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Solution

The fourth proportional to 1,126,712.58, 1,690,345.74 and 328,001 is: 492,082.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,712.58 : 1,690,345.74 = 328,001 : x
  2. Step 2: Convert to fraction form
    1,126,712.58/1,690,345.74 = 328,001/x
  3. Step 3: Cross multiply
    1,126,712.58x = 1,690,345.74 × 328,001
  4. Step 4: Simplify right side
    1,126,712.58x = 554,435,093,065.74
  5. Step 5: Solve for x
    x = 554,435,093,065.74/1,126,712.58
  6. Step 6: Final answer
    x = 492,082.10

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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.