Home / 1,603,319.40-2,404,979.37-405,245.16

Finding the Fourth Proportional to 1,603,319.40, 2,404,979.37 and 405,245.16

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Solution

The fourth proportional to 1,603,319.40, 2,404,979.37 and 405,245.16 is: 607,867.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603,319.40 : 2,404,979.37 = 405,245.16 : x
  2. Step 2: Convert to fraction form
    1,603,319.40/2,404,979.37 = 405,245.16/x
  3. Step 3: Cross multiply
    1,603,319.40x = 2,404,979.37 × 405,245.16
  4. Step 4: Simplify right side
    1,603,319.40x = 974,606,249,592.35
  5. Step 5: Solve for x
    x = 974,606,249,592.35/1,603,319.40
  6. Step 6: Final answer
    x = 607,867.81

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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.