Home / 1,209,704.40-1,669,283.64-700,441.20

Finding the Fourth Proportional to 1,209,704.40, 1,669,283.64 and 700,441.20

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Solution

The fourth proportional to 1,209,704.40, 1,669,283.64 and 700,441.20 is: 966,546.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,704.40 : 1,669,283.64 = 700,441.20 : x
  2. Step 2: Convert to fraction form
    1,209,704.40/1,669,283.64 = 700,441.20/x
  3. Step 3: Cross multiply
    1,209,704.40x = 1,669,283.64 × 700,441.20
  4. Step 4: Simplify right side
    1,209,704.40x = 1,169,235,035,941.97
  5. Step 5: Solve for x
    x = 1,169,235,035,941.97/1,209,704.40
  6. Step 6: Final answer
    x = 966,546.07

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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.