Home / 1,408,269.42-2,112,528.52-397,400.22

Finding the Fourth Proportional to 1,408,269.42, 2,112,528.52 and 397,400.22

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Solution

The fourth proportional to 1,408,269.42, 2,112,528.52 and 397,400.22 is: 596,135.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,408,269.42 : 2,112,528.52 = 397,400.22 : x
  2. Step 2: Convert to fraction form
    1,408,269.42/2,112,528.52 = 397,400.22/x
  3. Step 3: Cross multiply
    1,408,269.42x = 2,112,528.52 × 397,400.22
  4. Step 4: Simplify right side
    1,408,269.42x = 839,519,298,604.27
  5. Step 5: Solve for x
    x = 839,519,298,604.27/1,408,269.42
  6. Step 6: Final answer
    x = 596,135.43

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1.5x scale

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.