Home / 1,261,280.66-1,890,795.98-462,375.68

Finding the Fourth Proportional to 1,261,280.66, 1,890,795.98 and 462,375.68

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Solution

The fourth proportional to 1,261,280.66, 1,890,795.98 and 462,375.68 is: 693,151.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,280.66 : 1,890,795.98 = 462,375.68 : x
  2. Step 2: Convert to fraction form
    1,261,280.66/1,890,795.98 = 462,375.68/x
  3. Step 3: Cross multiply
    1,261,280.66x = 1,890,795.98 × 462,375.68
  4. Step 4: Simplify right side
    1,261,280.66x = 874,258,068,695.73
  5. Step 5: Solve for x
    x = 874,258,068,695.73/1,261,280.66
  6. Step 6: Final answer
    x = 693,151.10

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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.