Home / 1,019,278.94-1,528,927.61-309,306.96

Finding the Fourth Proportional to 1,019,278.94, 1,528,927.61 and 309,306.96

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Solution

The fourth proportional to 1,019,278.94, 1,528,927.61 and 309,306.96 is: 463,963.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,278.94 : 1,528,927.61 = 309,306.96 : x
  2. Step 2: Convert to fraction form
    1,019,278.94/1,528,927.61 = 309,306.96/x
  3. Step 3: Cross multiply
    1,019,278.94x = 1,528,927.61 × 309,306.96
  4. Step 4: Simplify right side
    1,019,278.94x = 472,907,949,562.63
  5. Step 5: Solve for x
    x = 472,907,949,562.63/1,019,278.94
  6. Step 6: Final answer
    x = 463,963.23

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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.