Home / 1,179,073.11-1,768,983.51-420,898.35

Finding the Fourth Proportional to 1,179,073.11, 1,768,983.51 and 420,898.35

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Solution

The fourth proportional to 1,179,073.11, 1,768,983.51 and 420,898.35 is: 631,480.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,073.11 : 1,768,983.51 = 420,898.35 : x
  2. Step 2: Convert to fraction form
    1,179,073.11/1,768,983.51 = 420,898.35/x
  3. Step 3: Cross multiply
    1,179,073.11x = 1,768,983.51 × 420,898.35
  4. Step 4: Simplify right side
    1,179,073.11x = 744,562,240,536.21
  5. Step 5: Solve for x
    x = 744,562,240,536.21/1,179,073.11
  6. Step 6: Final answer
    x = 631,480.98

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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.