Home / 1,456,929.45-2,010,468.60-812,311.20

Finding the Fourth Proportional to 1,456,929.45, 2,010,468.60 and 812,311.20

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Solution

The fourth proportional to 1,456,929.45, 2,010,468.60 and 812,311.20 is: 1,120,937.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456,929.45 : 2,010,468.60 = 812,311.20 : x
  2. Step 2: Convert to fraction form
    1,456,929.45/2,010,468.60 = 812,311.20/x
  3. Step 3: Cross multiply
    1,456,929.45x = 2,010,468.60 × 812,311.20
  4. Step 4: Simplify right side
    1,456,929.45x = 1,633,126,161,028.32
  5. Step 5: Solve for x
    x = 1,633,126,161,028.32/1,456,929.45
  6. Step 6: Final answer
    x = 1,120,937.02

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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.