Home / 1,140,198.41-1,573,366.64-771,926.40

Finding the Fourth Proportional to 1,140,198.41, 1,573,366.64 and 771,926.40

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Solution

The fourth proportional to 1,140,198.41, 1,573,366.64 and 771,926.40 is: 1,065,185.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,198.41 : 1,573,366.64 = 771,926.40 : x
  2. Step 2: Convert to fraction form
    1,140,198.41/1,573,366.64 = 771,926.40/x
  3. Step 3: Cross multiply
    1,140,198.41x = 1,573,366.64 × 771,926.40
  4. Step 4: Simplify right side
    1,140,198.41x = 1,214,523,242,435.66
  5. Step 5: Solve for x
    x = 1,214,523,242,435.66/1,140,198.41
  6. Step 6: Final answer
    x = 1,065,185.87

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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.