Home / 1,770,320.15-2,655,476.17-758,786.21

Finding the Fourth Proportional to 1,770,320.15, 2,655,476.17 and 758,786.21

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Solution

The fourth proportional to 1,770,320.15, 2,655,476.17 and 758,786.21 is: 1,138,177.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,770,320.15 : 2,655,476.17 = 758,786.21 : x
  2. Step 2: Convert to fraction form
    1,770,320.15/2,655,476.17 = 758,786.21/x
  3. Step 3: Cross multiply
    1,770,320.15x = 2,655,476.17 × 758,786.21
  4. Step 4: Simplify right side
    1,770,320.15x = 2,014,938,698,779.62
  5. Step 5: Solve for x
    x = 2,014,938,698,779.62/1,770,320.15
  6. Step 6: Final answer
    x = 1,138,177.58

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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.