Home / 1,387,504.64-2,079,993.90-534,031.40

Finding the Fourth Proportional to 1,387,504.64, 2,079,993.90 and 534,031.40

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Solution

The fourth proportional to 1,387,504.64, 2,079,993.90 and 534,031.40 is: 800,560.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,387,504.64 : 2,079,993.90 = 534,031.40 : x
  2. Step 2: Convert to fraction form
    1,387,504.64/2,079,993.90 = 534,031.40/x
  3. Step 3: Cross multiply
    1,387,504.64x = 2,079,993.90 × 534,031.40
  4. Step 4: Simplify right side
    1,387,504.64x = 1,110,782,054,408.46
  5. Step 5: Solve for x
    x = 1,110,782,054,408.46/1,387,504.64
  6. Step 6: Final answer
    x = 800,560.97

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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.