Home / 1,342,742.46-1,853,022.79-730,934.67

Finding the Fourth Proportional to 1,342,742.46, 1,853,022.79 and 730,934.67

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Solution

The fourth proportional to 1,342,742.46, 1,853,022.79 and 730,934.67 is: 1,008,710.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,742.46 : 1,853,022.79 = 730,934.67 : x
  2. Step 2: Convert to fraction form
    1,342,742.46/1,853,022.79 = 730,934.67/x
  3. Step 3: Cross multiply
    1,342,742.46x = 1,853,022.79 × 730,934.67
  4. Step 4: Simplify right side
    1,342,742.46x = 1,354,438,601,511.13
  5. Step 5: Solve for x
    x = 1,354,438,601,511.13/1,342,742.46
  6. Step 6: Final answer
    x = 1,008,710.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.