Home / 1,246,655.61-1,873,360.03-678,456.81

Finding the Fourth Proportional to 1,246,655.61, 1,873,360.03 and 678,456.81

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Solution

The fourth proportional to 1,246,655.61, 1,873,360.03 and 678,456.81 is: 1,019,522.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,655.61 : 1,873,360.03 = 678,456.81 : x
  2. Step 2: Convert to fraction form
    1,246,655.61/1,873,360.03 = 678,456.81/x
  3. Step 3: Cross multiply
    1,246,655.61x = 1,873,360.03 × 678,456.81
  4. Step 4: Simplify right side
    1,246,655.61x = 1,270,993,869,935.30
  5. Step 5: Solve for x
    x = 1,270,993,869,935.30/1,246,655.61
  6. Step 6: Final answer
    x = 1,019,522.84

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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.