Home / 1,420,825.95-2,131,347.06-474,195.15

Finding the Fourth Proportional to 1,420,825.95, 2,131,347.06 and 474,195.15

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Solution

The fourth proportional to 1,420,825.95, 2,131,347.06 and 474,195.15 is: 711,328.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,825.95 : 2,131,347.06 = 474,195.15 : x
  2. Step 2: Convert to fraction form
    1,420,825.95/2,131,347.06 = 474,195.15/x
  3. Step 3: Cross multiply
    1,420,825.95x = 2,131,347.06 × 474,195.15
  4. Step 4: Simplify right side
    1,420,825.95x = 1,010,674,438,818.76
  5. Step 5: Solve for x
    x = 1,010,674,438,818.76/1,420,825.95
  6. Step 6: Final answer
    x = 711,328.81

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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.