Home / 1,013,648.14-1,520,522.79-303,608.53

Finding the Fourth Proportional to 1,013,648.14, 1,520,522.79 and 303,608.53

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Solution

The fourth proportional to 1,013,648.14, 1,520,522.79 and 303,608.53 is: 455,427.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,648.14 : 1,520,522.79 = 303,608.53 : x
  2. Step 2: Convert to fraction form
    1,013,648.14/1,520,522.79 = 303,608.53/x
  3. Step 3: Cross multiply
    1,013,648.14x = 1,520,522.79 × 303,608.53
  4. Step 4: Simplify right side
    1,013,648.14x = 461,643,689,103.40
  5. Step 5: Solve for x
    x = 461,643,689,103.40/1,013,648.14
  6. Step 6: Final answer
    x = 455,427.94

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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.