Home / 1,129,701.24-1,559,014.83-620,414.55

Finding the Fourth Proportional to 1,129,701.24, 1,559,014.83 and 620,414.55

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Solution

The fourth proportional to 1,129,701.24, 1,559,014.83 and 620,414.55 is: 856,186.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,701.24 : 1,559,014.83 = 620,414.55 : x
  2. Step 2: Convert to fraction form
    1,129,701.24/1,559,014.83 = 620,414.55/x
  3. Step 3: Cross multiply
    1,129,701.24x = 1,559,014.83 × 620,414.55
  4. Step 4: Simplify right side
    1,129,701.24x = 967,235,484,197.78
  5. Step 5: Solve for x
    x = 967,235,484,197.78/1,129,701.24
  6. Step 6: Final answer
    x = 856,186.97

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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.