Home / 1,281,351.18-1,922,045.40-334,722

Finding the Fourth Proportional to 1,281,351.18, 1,922,045.40 and 334,722

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Solution

The fourth proportional to 1,281,351.18, 1,922,045.40 and 334,722 is: 502,087.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,351.18 : 1,922,045.40 = 334,722 : x
  2. Step 2: Convert to fraction form
    1,281,351.18/1,922,045.40 = 334,722/x
  3. Step 3: Cross multiply
    1,281,351.18x = 1,922,045.40 × 334,722
  4. Step 4: Simplify right side
    1,281,351.18x = 643,350,880,378.80
  5. Step 5: Solve for x
    x = 643,350,880,378.80/1,281,351.18
  6. Step 6: Final answer
    x = 502,087.87

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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.