Home / 1,340,376.40-2,010,564.60-453,912.40

Finding the Fourth Proportional to 1,340,376.40, 2,010,564.60 and 453,912.40

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Solution

The fourth proportional to 1,340,376.40, 2,010,564.60 and 453,912.40 is: 680,868.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,376.40 : 2,010,564.60 = 453,912.40 : x
  2. Step 2: Convert to fraction form
    1,340,376.40/2,010,564.60 = 453,912.40/x
  3. Step 3: Cross multiply
    1,340,376.40x = 2,010,564.60 × 453,912.40
  4. Step 4: Simplify right side
    1,340,376.40x = 912,620,202,941.04
  5. Step 5: Solve for x
    x = 912,620,202,941.04/1,340,376.40
  6. Step 6: Final answer
    x = 680,868.60

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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.