Home / 994,047.80-1,491,071.70-917,065.40

Finding the Fourth Proportional to 994,047.80, 1,491,071.70 and 917,065.40

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Solution

The fourth proportional to 994,047.80, 1,491,071.70 and 917,065.40 is: 1,375,598.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,047.80 : 1,491,071.70 = 917,065.40 : x
  2. Step 2: Convert to fraction form
    994,047.80/1,491,071.70 = 917,065.40/x
  3. Step 3: Cross multiply
    994,047.80x = 1,491,071.70 × 917,065.40
  4. Step 4: Simplify right side
    994,047.80x = 1,367,410,264,989.18
  5. Step 5: Solve for x
    x = 1,367,410,264,989.18/994,047.80
  6. Step 6: Final answer
    x = 1,375,598.10

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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.