Home / 1,110,878.66-1,532,578.54-645,655.24

Finding the Fourth Proportional to 1,110,878.66, 1,532,578.54 and 645,655.24

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Solution

The fourth proportional to 1,110,878.66, 1,532,578.54 and 645,655.24 is: 890,751.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,878.66 : 1,532,578.54 = 645,655.24 : x
  2. Step 2: Convert to fraction form
    1,110,878.66/1,532,578.54 = 645,655.24/x
  3. Step 3: Cross multiply
    1,110,878.66x = 1,532,578.54 × 645,655.24
  4. Step 4: Simplify right side
    1,110,878.66x = 989,517,365,062.55
  5. Step 5: Solve for x
    x = 989,517,365,062.55/1,110,878.66
  6. Step 6: Final answer
    x = 890,751.98

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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.