Home / 1,018,882.58-1,406,486.97-687,803.58

Finding the Fourth Proportional to 1,018,882.58, 1,406,486.97 and 687,803.58

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Solution

The fourth proportional to 1,018,882.58, 1,406,486.97 and 687,803.58 is: 949,458.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,882.58 : 1,406,486.97 = 687,803.58 : x
  2. Step 2: Convert to fraction form
    1,018,882.58/1,406,486.97 = 687,803.58/x
  3. Step 3: Cross multiply
    1,018,882.58x = 1,406,486.97 × 687,803.58
  4. Step 4: Simplify right side
    1,018,882.58x = 967,386,773,189.35
  5. Step 5: Solve for x
    x = 967,386,773,189.35/1,018,882.58
  6. Step 6: Final answer
    x = 949,458.55

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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.