Home / 1,169,728.39-1,754,654.55-328,345.75

Finding the Fourth Proportional to 1,169,728.39, 1,754,654.55 and 328,345.75

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Solution

The fourth proportional to 1,169,728.39, 1,754,654.55 and 328,345.75 is: 492,536.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,169,728.39 : 1,754,654.55 = 328,345.75 : x
  2. Step 2: Convert to fraction form
    1,169,728.39/1,754,654.55 = 328,345.75/x
  3. Step 3: Cross multiply
    1,169,728.39x = 1,754,654.55 × 328,345.75
  4. Step 4: Simplify right side
    1,169,728.39x = 576,133,353,795.66
  5. Step 5: Solve for x
    x = 576,133,353,795.66/1,169,728.39
  6. Step 6: Final answer
    x = 492,536.01

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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.