Home / 1,478,345.46-2,040,119.70-799,281.96

Finding the Fourth Proportional to 1,478,345.46, 2,040,119.70 and 799,281.96

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Solution

The fourth proportional to 1,478,345.46, 2,040,119.70 and 799,281.96 is: 1,103,010.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,345.46 : 2,040,119.70 = 799,281.96 : x
  2. Step 2: Convert to fraction form
    1,478,345.46/2,040,119.70 = 799,281.96/x
  3. Step 3: Cross multiply
    1,478,345.46x = 2,040,119.70 × 799,281.96
  4. Step 4: Simplify right side
    1,478,345.46x = 1,630,630,872,450.61
  5. Step 5: Solve for x
    x = 1,630,630,872,450.61/1,478,345.46
  6. Step 6: Final answer
    x = 1,103,010.71

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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.