Home / 1,000,345.06-1,380,099.36-656,370.87

Finding the Fourth Proportional to 1,000,345.06, 1,380,099.36 and 656,370.87

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Solution

The fourth proportional to 1,000,345.06, 1,380,099.36 and 656,370.87 is: 905,544.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,345.06 : 1,380,099.36 = 656,370.87 : x
  2. Step 2: Convert to fraction form
    1,000,345.06/1,380,099.36 = 656,370.87/x
  3. Step 3: Cross multiply
    1,000,345.06x = 1,380,099.36 × 656,370.87
  4. Step 4: Simplify right side
    1,000,345.06x = 905,857,017,609.64
  5. Step 5: Solve for x
    x = 905,857,017,609.64/1,000,345.06
  6. Step 6: Final answer
    x = 905,544.55

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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.