Home / 1,179,632.67-1,627,877.55-663,386.41

Finding the Fourth Proportional to 1,179,632.67, 1,627,877.55 and 663,386.41

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Solution

The fourth proportional to 1,179,632.67, 1,627,877.55 and 663,386.41 is: 915,464.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,632.67 : 1,627,877.55 = 663,386.41 : x
  2. Step 2: Convert to fraction form
    1,179,632.67/1,627,877.55 = 663,386.41/x
  3. Step 3: Cross multiply
    1,179,632.67x = 1,627,877.55 × 663,386.41
  4. Step 4: Simplify right side
    1,179,632.67x = 1,079,911,843,814.10
  5. Step 5: Solve for x
    x = 1,079,911,843,814.10/1,179,632.67
  6. Step 6: Final answer
    x = 915,464.51

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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.