Home / 1,358,806.46-2,038,406.52-505,807.20

Finding the Fourth Proportional to 1,358,806.46, 2,038,406.52 and 505,807.20

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Solution

The fourth proportional to 1,358,806.46, 2,038,406.52 and 505,807.20 is: 758,784.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358,806.46 : 2,038,406.52 = 505,807.20 : x
  2. Step 2: Convert to fraction form
    1,358,806.46/2,038,406.52 = 505,807.20/x
  3. Step 3: Cross multiply
    1,358,806.46x = 2,038,406.52 × 505,807.20
  4. Step 4: Simplify right side
    1,358,806.46x = 1,031,040,694,342.94
  5. Step 5: Solve for x
    x = 1,031,040,694,342.94/1,358,806.46
  6. Step 6: Final answer
    x = 758,784.07

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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.