Home / 1,091,927.12-1,637,499-418,197.84

Finding the Fourth Proportional to 1,091,927.12, 1,637,499 and 418,197.84

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Solution

The fourth proportional to 1,091,927.12, 1,637,499 and 418,197.84 is: 627,146.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,927.12 : 1,637,499 = 418,197.84 : x
  2. Step 2: Convert to fraction form
    1,091,927.12/1,637,499 = 418,197.84/x
  3. Step 3: Cross multiply
    1,091,927.12x = 1,637,499 × 418,197.84
  4. Step 4: Simplify right side
    1,091,927.12x = 684,798,544,802.16
  5. Step 5: Solve for x
    x = 684,798,544,802.16/1,091,927.12
  6. Step 6: Final answer
    x = 627,146.75

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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.