Home / 1,222,756.90-1,834,135.35-772,016.20

Finding the Fourth Proportional to 1,222,756.90, 1,834,135.35 and 772,016.20

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Solution

The fourth proportional to 1,222,756.90, 1,834,135.35 and 772,016.20 is: 1,158,024.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,756.90 : 1,834,135.35 = 772,016.20 : x
  2. Step 2: Convert to fraction form
    1,222,756.90/1,834,135.35 = 772,016.20/x
  3. Step 3: Cross multiply
    1,222,756.90x = 1,834,135.35 × 772,016.20
  4. Step 4: Simplify right side
    1,222,756.90x = 1,415,982,203,192.67
  5. Step 5: Solve for x
    x = 1,415,982,203,192.67/1,222,756.90
  6. Step 6: Final answer
    x = 1,158,024.30

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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.