Home / 1,340,573.40-2,010,860.10-1,242,158.40

Finding the Fourth Proportional to 1,340,573.40, 2,010,860.10 and 1,242,158.40

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Solution

The fourth proportional to 1,340,573.40, 2,010,860.10 and 1,242,158.40 is: 1,863,237.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,573.40 : 2,010,860.10 = 1,242,158.40 : x
  2. Step 2: Convert to fraction form
    1,340,573.40/2,010,860.10 = 1,242,158.40/x
  3. Step 3: Cross multiply
    1,340,573.40x = 2,010,860.10 × 1,242,158.40
  4. Step 4: Simplify right side
    1,340,573.40x = 2,497,806,764,439.84
  5. Step 5: Solve for x
    x = 2,497,806,764,439.84/1,340,573.40
  6. Step 6: Final answer
    x = 1,863,237.60

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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.