Home / 1,326,878.76-1,987,400.77-1,096,564.17

Finding the Fourth Proportional to 1,326,878.76, 1,987,400.77 and 1,096,564.17

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Solution

The fourth proportional to 1,326,878.76, 1,987,400.77 and 1,096,564.17 is: 1,642,435.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,878.76 : 1,987,400.77 = 1,096,564.17 : x
  2. Step 2: Convert to fraction form
    1,326,878.76/1,987,400.77 = 1,096,564.17/x
  3. Step 3: Cross multiply
    1,326,878.76x = 1,987,400.77 × 1,096,564.17
  4. Step 4: Simplify right side
    1,326,878.76x = 2,179,312,475,812.41
  5. Step 5: Solve for x
    x = 2,179,312,475,812.41/1,326,878.76
  6. Step 6: Final answer
    x = 1,642,435.27

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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.