Home / 1,013,887.62-1,520,285.93-406,371.06

Finding the Fourth Proportional to 1,013,887.62, 1,520,285.93 and 406,371.06

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Solution

The fourth proportional to 1,013,887.62, 1,520,285.93 and 406,371.06 is: 609,337.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,887.62 : 1,520,285.93 = 406,371.06 : x
  2. Step 2: Convert to fraction form
    1,013,887.62/1,520,285.93 = 406,371.06/x
  3. Step 3: Cross multiply
    1,013,887.62x = 1,520,285.93 × 406,371.06
  4. Step 4: Simplify right side
    1,013,887.62x = 617,800,211,640.09
  5. Step 5: Solve for x
    x = 617,800,211,640.09/1,013,887.62
  6. Step 6: Final answer
    x = 609,337.96

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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.