Home / 1,489,811.77-2,055,798.02-836,288.18

Finding the Fourth Proportional to 1,489,811.77, 2,055,798.02 and 836,288.18

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Solution

The fourth proportional to 1,489,811.77, 2,055,798.02 and 836,288.18 is: 1,153,997.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,811.77 : 2,055,798.02 = 836,288.18 : x
  2. Step 2: Convert to fraction form
    1,489,811.77/2,055,798.02 = 836,288.18/x
  3. Step 3: Cross multiply
    1,489,811.77x = 2,055,798.02 × 836,288.18
  4. Step 4: Simplify right side
    1,489,811.77x = 1,719,239,584,114.38
  5. Step 5: Solve for x
    x = 1,719,239,584,114.38/1,489,811.77
  6. Step 6: Final answer
    x = 1,153,997.85

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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.