Home / 1,342,234.62-1,852,172.55-790,864.38

Finding the Fourth Proportional to 1,342,234.62, 1,852,172.55 and 790,864.38

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Solution

The fourth proportional to 1,342,234.62, 1,852,172.55 and 790,864.38 is: 1,091,327.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,234.62 : 1,852,172.55 = 790,864.38 : x
  2. Step 2: Convert to fraction form
    1,342,234.62/1,852,172.55 = 790,864.38/x
  3. Step 3: Cross multiply
    1,342,234.62x = 1,852,172.55 × 790,864.38
  4. Step 4: Simplify right side
    1,342,234.62x = 1,464,817,295,408.77
  5. Step 5: Solve for x
    x = 1,464,817,295,408.77/1,342,234.62
  6. Step 6: Final answer
    x = 1,091,327.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.