Home / 1,213,262.64-1,674,396.36-669,506.40

Finding the Fourth Proportional to 1,213,262.64, 1,674,396.36 and 669,506.40

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Solution

The fourth proportional to 1,213,262.64, 1,674,396.36 and 669,506.40 is: 923,970.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,262.64 : 1,674,396.36 = 669,506.40 : x
  2. Step 2: Convert to fraction form
    1,213,262.64/1,674,396.36 = 669,506.40/x
  3. Step 3: Cross multiply
    1,213,262.64x = 1,674,396.36 × 669,506.40
  4. Step 4: Simplify right side
    1,213,262.64x = 1,121,019,079,156.70
  5. Step 5: Solve for x
    x = 1,121,019,079,156.70/1,213,262.64
  6. Step 6: Final answer
    x = 923,970.66

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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.