Home / 1,580,369.78-2,370,314.09-515,410.13

Finding the Fourth Proportional to 1,580,369.78, 2,370,314.09 and 515,410.13

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Solution

The fourth proportional to 1,580,369.78, 2,370,314.09 and 515,410.13 is: 773,036.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,369.78 : 2,370,314.09 = 515,410.13 : x
  2. Step 2: Convert to fraction form
    1,580,369.78/2,370,314.09 = 515,410.13/x
  3. Step 3: Cross multiply
    1,580,369.78x = 2,370,314.09 × 515,410.13
  4. Step 4: Simplify right side
    1,580,369.78x = 1,221,683,882,704.69
  5. Step 5: Solve for x
    x = 1,221,683,882,704.69/1,580,369.78
  6. Step 6: Final answer
    x = 773,036.73

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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.