Home / 1,330,600.35-1,995,408.45-432,071.40

Finding the Fourth Proportional to 1,330,600.35, 1,995,408.45 and 432,071.40

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Solution

The fourth proportional to 1,330,600.35, 1,995,408.45 and 432,071.40 is: 647,947.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,600.35 : 1,995,408.45 = 432,071.40 : x
  2. Step 2: Convert to fraction form
    1,330,600.35/1,995,408.45 = 432,071.40/x
  3. Step 3: Cross multiply
    1,330,600.35x = 1,995,408.45 × 432,071.40
  4. Step 4: Simplify right side
    1,330,600.35x = 862,158,922,563.33
  5. Step 5: Solve for x
    x = 862,158,922,563.33/1,330,600.35
  6. Step 6: Final answer
    x = 647,947.31

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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.