Home / 1,330,342.70-1,994,201.85-655,871.90

Finding the Fourth Proportional to 1,330,342.70, 1,994,201.85 and 655,871.90

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Solution

The fourth proportional to 1,330,342.70, 1,994,201.85 and 655,871.90 is: 983,160.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,342.70 : 1,994,201.85 = 655,871.90 : x
  2. Step 2: Convert to fraction form
    1,330,342.70/1,994,201.85 = 655,871.90/x
  3. Step 3: Cross multiply
    1,330,342.70x = 1,994,201.85 × 655,871.90
  4. Step 4: Simplify right side
    1,330,342.70x = 1,307,940,956,343.02
  5. Step 5: Solve for x
    x = 1,307,940,956,343.02/1,330,342.70
  6. Step 6: Final answer
    x = 983,160.92

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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.