Home / 1,489,437.32-2,055,362.10-810,376.52

Finding the Fourth Proportional to 1,489,437.32, 2,055,362.10 and 810,376.52

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Solution

The fourth proportional to 1,489,437.32, 2,055,362.10 and 810,376.52 is: 1,118,286.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,437.32 : 2,055,362.10 = 810,376.52 : x
  2. Step 2: Convert to fraction form
    1,489,437.32/2,055,362.10 = 810,376.52/x
  3. Step 3: Cross multiply
    1,489,437.32x = 2,055,362.10 × 810,376.52
  4. Step 4: Simplify right side
    1,489,437.32x = 1,665,617,185,937.89
  5. Step 5: Solve for x
    x = 1,665,617,185,937.89/1,489,437.32
  6. Step 6: Final answer
    x = 1,118,286.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.