Home / 1,013,602.70-1,520,209.65-303,653.90

Finding the Fourth Proportional to 1,013,602.70, 1,520,209.65 and 303,653.90

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Solution

The fourth proportional to 1,013,602.70, 1,520,209.65 and 303,653.90 is: 455,422.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,602.70 : 1,520,209.65 = 303,653.90 : x
  2. Step 2: Convert to fraction form
    1,013,602.70/1,520,209.65 = 303,653.90/x
  3. Step 3: Cross multiply
    1,013,602.70x = 1,520,209.65 × 303,653.90
  4. Step 4: Simplify right side
    1,013,602.70x = 461,617,589,040.14
  5. Step 5: Solve for x
    x = 461,617,589,040.14/1,013,602.70
  6. Step 6: Final answer
    x = 455,422.61

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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.