Home / 1,484,844.72-2,049,087.02-805,781.22

Finding the Fourth Proportional to 1,484,844.72, 2,049,087.02 and 805,781.22

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Solution

The fourth proportional to 1,484,844.72, 2,049,087.02 and 805,781.22 is: 1,111,978.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,484,844.72 : 2,049,087.02 = 805,781.22 : x
  2. Step 2: Convert to fraction form
    1,484,844.72/2,049,087.02 = 805,781.22/x
  3. Step 3: Cross multiply
    1,484,844.72x = 2,049,087.02 × 805,781.22
  4. Step 4: Simplify right side
    1,484,844.72x = 1,651,115,831,681.30
  5. Step 5: Solve for x
    x = 1,651,115,831,681.30/1,484,844.72
  6. Step 6: Final answer
    x = 1,111,978.79

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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.