Home / 1,489,434.32-2,055,357.96-810,373.52

Finding the Fourth Proportional to 1,489,434.32, 2,055,357.96 and 810,373.52

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Solution

The fourth proportional to 1,489,434.32, 2,055,357.96 and 810,373.52 is: 1,118,282.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,434.32 : 2,055,357.96 = 810,373.52 : x
  2. Step 2: Convert to fraction form
    1,489,434.32/2,055,357.96 = 810,373.52/x
  3. Step 3: Cross multiply
    1,489,434.32x = 2,055,357.96 × 810,373.52
  4. Step 4: Simplify right side
    1,489,434.32x = 1,665,607,664,905.22
  5. Step 5: Solve for x
    x = 1,665,607,664,905.22/1,489,434.32
  6. Step 6: Final answer
    x = 1,118,282.05

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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.