Home / 994,276.80-1,491,415.20-917,294.40

Finding the Fourth Proportional to 994,276.80, 1,491,415.20 and 917,294.40

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Solution

The fourth proportional to 994,276.80, 1,491,415.20 and 917,294.40 is: 1,375,941.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,276.80 : 1,491,415.20 = 917,294.40 : x
  2. Step 2: Convert to fraction form
    994,276.80/1,491,415.20 = 917,294.40/x
  3. Step 3: Cross multiply
    994,276.80x = 1,491,415.20 × 917,294.40
  4. Step 4: Simplify right side
    994,276.80x = 1,368,066,811,034.88
  5. Step 5: Solve for x
    x = 1,368,066,811,034.88/994,276.80
  6. Step 6: Final answer
    x = 1,375,941.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.