Home / 1,065,378.80-1,598,068.20-667,247.60

Finding the Fourth Proportional to 1,065,378.80, 1,598,068.20 and 667,247.60

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Solution

The fourth proportional to 1,065,378.80, 1,598,068.20 and 667,247.60 is: 1,000,871.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,378.80 : 1,598,068.20 = 667,247.60 : x
  2. Step 2: Convert to fraction form
    1,065,378.80/1,598,068.20 = 667,247.60/x
  3. Step 3: Cross multiply
    1,065,378.80x = 1,598,068.20 × 667,247.60
  4. Step 4: Simplify right side
    1,065,378.80x = 1,066,307,171,086.32
  5. Step 5: Solve for x
    x = 1,066,307,171,086.32/1,065,378.80
  6. Step 6: Final answer
    x = 1,000,871.40

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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.