Home / 984,925.64-1,358,884.69-777,536.55

Finding the Fourth Proportional to 984,925.64, 1,358,884.69 and 777,536.55

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Solution

The fourth proportional to 984,925.64, 1,358,884.69 and 777,536.55 is: 1,072,753.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,925.64 : 1,358,884.69 = 777,536.55 : x
  2. Step 2: Convert to fraction form
    984,925.64/1,358,884.69 = 777,536.55/x
  3. Step 3: Cross multiply
    984,925.64x = 1,358,884.69 × 777,536.55
  4. Step 4: Simplify right side
    984,925.64x = 1,056,582,511,766.58
  5. Step 5: Solve for x
    x = 1,056,582,511,766.58/984,925.64
  6. Step 6: Final answer
    x = 1,072,753.58

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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.