Home / 1,297,823.40-1,946,735.10-766,382.40

Finding the Fourth Proportional to 1,297,823.40, 1,946,735.10 and 766,382.40

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Solution

The fourth proportional to 1,297,823.40, 1,946,735.10 and 766,382.40 is: 1,149,573.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,823.40 : 1,946,735.10 = 766,382.40 : x
  2. Step 2: Convert to fraction form
    1,297,823.40/1,946,735.10 = 766,382.40/x
  3. Step 3: Cross multiply
    1,297,823.40x = 1,946,735.10 × 766,382.40
  4. Step 4: Simplify right side
    1,297,823.40x = 1,491,943,518,102.24
  5. Step 5: Solve for x
    x = 1,491,943,518,102.24/1,297,823.40
  6. Step 6: Final answer
    x = 1,149,573.60

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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.