Home / 1,728,013.60-2,592,020.40-972,186.40

Finding the Fourth Proportional to 1,728,013.60, 2,592,020.40 and 972,186.40

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Solution

The fourth proportional to 1,728,013.60, 2,592,020.40 and 972,186.40 is: 1,458,279.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,728,013.60 : 2,592,020.40 = 972,186.40 : x
  2. Step 2: Convert to fraction form
    1,728,013.60/2,592,020.40 = 972,186.40/x
  3. Step 3: Cross multiply
    1,728,013.60x = 2,592,020.40 × 972,186.40
  4. Step 4: Simplify right side
    1,728,013.60x = 2,519,926,981,402.56
  5. Step 5: Solve for x
    x = 2,519,926,981,402.56/1,728,013.60
  6. Step 6: Final answer
    x = 1,458,279.60

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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.