Home / 1,013,887.49-1,520,285.73-406,370.93

Finding the Fourth Proportional to 1,013,887.49, 1,520,285.73 and 406,370.93

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Solution

The fourth proportional to 1,013,887.49, 1,520,285.73 and 406,370.93 is: 609,337.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,887.49 : 1,520,285.73 = 406,370.93 : x
  2. Step 2: Convert to fraction form
    1,013,887.49/1,520,285.73 = 406,370.93/x
  3. Step 3: Cross multiply
    1,013,887.49x = 1,520,285.73 × 406,370.93
  4. Step 4: Simplify right side
    1,013,887.49x = 617,799,923,933.97
  5. Step 5: Solve for x
    x = 617,799,923,933.97/1,013,887.49
  6. Step 6: Final answer
    x = 609,337.76

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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.