Home / 1,301,986.32-1,952,979.36-355,382.16

Finding the Fourth Proportional to 1,301,986.32, 1,952,979.36 and 355,382.16

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Solution

The fourth proportional to 1,301,986.32, 1,952,979.36 and 355,382.16 is: 533,073.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301,986.32 : 1,952,979.36 = 355,382.16 : x
  2. Step 2: Convert to fraction form
    1,301,986.32/1,952,979.36 = 355,382.16/x
  3. Step 3: Cross multiply
    1,301,986.32x = 1,952,979.36 × 355,382.16
  4. Step 4: Simplify right side
    1,301,986.32x = 694,054,023,392.22
  5. Step 5: Solve for x
    x = 694,054,023,392.22/1,301,986.32
  6. Step 6: Final answer
    x = 533,073.21

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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.