Home / 1,090,074.40-1,632,001.20-965,658.40

Finding the Fourth Proportional to 1,090,074.40, 1,632,001.20 and 965,658.40

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Solution

The fourth proportional to 1,090,074.40, 1,632,001.20 and 965,658.40 is: 1,445,732.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,074.40 : 1,632,001.20 = 965,658.40 : x
  2. Step 2: Convert to fraction form
    1,090,074.40/1,632,001.20 = 965,658.40/x
  3. Step 3: Cross multiply
    1,090,074.40x = 1,632,001.20 × 965,658.40
  4. Step 4: Simplify right side
    1,090,074.40x = 1,575,955,667,590.08
  5. Step 5: Solve for x
    x = 1,575,955,667,590.08/1,090,074.40
  6. Step 6: Final answer
    x = 1,445,732.21

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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.