Home / 1,520,297.10-2,279,133.45-772,343.10

Finding the Fourth Proportional to 1,520,297.10, 2,279,133.45 and 772,343.10

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Solution

The fourth proportional to 1,520,297.10, 2,279,133.45 and 772,343.10 is: 1,157,848.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,297.10 : 2,279,133.45 = 772,343.10 : x
  2. Step 2: Convert to fraction form
    1,520,297.10/2,279,133.45 = 772,343.10/x
  3. Step 3: Cross multiply
    1,520,297.10x = 2,279,133.45 × 772,343.10
  4. Step 4: Simplify right side
    1,520,297.10x = 1,760,272,994,086.70
  5. Step 5: Solve for x
    x = 1,760,272,994,086.70/1,520,297.10
  6. Step 6: Final answer
    x = 1,157,848.02

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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.