Home / 1,368,013.04-1,887,853.96-764,401.52

Finding the Fourth Proportional to 1,368,013.04, 1,887,853.96 and 764,401.52

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Solution

The fourth proportional to 1,368,013.04, 1,887,853.96 and 764,401.52 is: 1,054,871.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,013.04 : 1,887,853.96 = 764,401.52 : x
  2. Step 2: Convert to fraction form
    1,368,013.04/1,887,853.96 = 764,401.52/x
  3. Step 3: Cross multiply
    1,368,013.04x = 1,887,853.96 × 764,401.52
  4. Step 4: Simplify right side
    1,368,013.04x = 1,443,078,436,562.02
  5. Step 5: Solve for x
    x = 1,443,078,436,562.02/1,368,013.04
  6. Step 6: Final answer
    x = 1,054,871.84

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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.