Home / 1,078,770.88-1,617,679.70-404,379.15

Finding the Fourth Proportional to 1,078,770.88, 1,617,679.70 and 404,379.15

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Solution

The fourth proportional to 1,078,770.88, 1,617,679.70 and 404,379.15 is: 606,390.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,770.88 : 1,617,679.70 = 404,379.15 : x
  2. Step 2: Convert to fraction form
    1,078,770.88/1,617,679.70 = 404,379.15/x
  3. Step 3: Cross multiply
    1,078,770.88x = 1,617,679.70 × 404,379.15
  4. Step 4: Simplify right side
    1,078,770.88x = 654,155,942,058.26
  5. Step 5: Solve for x
    x = 654,155,942,058.26/1,078,770.88
  6. Step 6: Final answer
    x = 606,390.06

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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.