Home / 1,242,619.89-1,860,940.41-708,521.68

Finding the Fourth Proportional to 1,242,619.89, 1,860,940.41 and 708,521.68

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Solution

The fourth proportional to 1,242,619.89, 1,860,940.41 and 708,521.68 is: 1,061,078.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,619.89 : 1,860,940.41 = 708,521.68 : x
  2. Step 2: Convert to fraction form
    1,242,619.89/1,860,940.41 = 708,521.68/x
  3. Step 3: Cross multiply
    1,242,619.89x = 1,860,940.41 × 708,521.68
  4. Step 4: Simplify right side
    1,242,619.89x = 1,318,516,625,342.31
  5. Step 5: Solve for x
    x = 1,318,516,625,342.31/1,242,619.89
  6. Step 6: Final answer
    x = 1,061,078.00

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.