Home / 1,140,110.40-1,573,057.08-681,037.08

Finding the Fourth Proportional to 1,140,110.40, 1,573,057.08 and 681,037.08

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Solution

The fourth proportional to 1,140,110.40, 1,573,057.08 and 681,037.08 is: 939,654.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,110.40 : 1,573,057.08 = 681,037.08 : x
  2. Step 2: Convert to fraction form
    1,140,110.40/1,573,057.08 = 681,037.08/x
  3. Step 3: Cross multiply
    1,140,110.40x = 1,573,057.08 × 681,037.08
  4. Step 4: Simplify right side
    1,140,110.40x = 1,071,310,200,436.53
  5. Step 5: Solve for x
    x = 1,071,310,200,436.53/1,140,110.40
  6. Step 6: Final answer
    x = 939,654.79

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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.