Home / 1,478,343.21-2,040,116.59-799,279.71

Finding the Fourth Proportional to 1,478,343.21, 2,040,116.59 and 799,279.71

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Solution

The fourth proportional to 1,478,343.21, 2,040,116.59 and 799,279.71 is: 1,103,007.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,343.21 : 2,040,116.59 = 799,279.71 : x
  2. Step 2: Convert to fraction form
    1,478,343.21/2,040,116.59 = 799,279.71/x
  3. Step 3: Cross multiply
    1,478,343.21x = 2,040,116.59 × 799,279.71
  4. Step 4: Simplify right side
    1,478,343.21x = 1,630,623,796,421.39
  5. Step 5: Solve for x
    x = 1,630,623,796,421.39/1,478,343.21
  6. Step 6: Final answer
    x = 1,103,007.60

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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.