Home / 1,361,201.12-2,043,061.96-687,756.40

Finding the Fourth Proportional to 1,361,201.12, 2,043,061.96 and 687,756.40

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Solution

The fourth proportional to 1,361,201.12, 2,043,061.96 and 687,756.40 is: 1,032,271.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,201.12 : 2,043,061.96 = 687,756.40 : x
  2. Step 2: Convert to fraction form
    1,361,201.12/2,043,061.96 = 687,756.40/x
  3. Step 3: Cross multiply
    1,361,201.12x = 2,043,061.96 × 687,756.40
  4. Step 4: Simplify right side
    1,361,201.12x = 1,405,128,938,586.54
  5. Step 5: Solve for x
    x = 1,405,128,938,586.54/1,361,201.12
  6. Step 6: Final answer
    x = 1,032,271.37

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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.