Home / 1,012,589.10-1,518,885.09-413,550.36

Finding the Fourth Proportional to 1,012,589.10, 1,518,885.09 and 413,550.36

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Solution

The fourth proportional to 1,012,589.10, 1,518,885.09 and 413,550.36 is: 620,326.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,589.10 : 1,518,885.09 = 413,550.36 : x
  2. Step 2: Convert to fraction form
    1,012,589.10/1,518,885.09 = 413,550.36/x
  3. Step 3: Cross multiply
    1,012,589.10x = 1,518,885.09 × 413,550.36
  4. Step 4: Simplify right side
    1,012,589.10x = 628,135,475,768.13
  5. Step 5: Solve for x
    x = 628,135,475,768.13/1,012,589.10
  6. Step 6: Final answer
    x = 620,326.13

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Double scale
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1.5x scale

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.