Home / 1,284,032.40-1,928,122.20-968,845.20

Finding the Fourth Proportional to 1,284,032.40, 1,928,122.20 and 968,845.20

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Solution

The fourth proportional to 1,284,032.40, 1,928,122.20 and 968,845.20 is: 1,454,832.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,032.40 : 1,928,122.20 = 968,845.20 : x
  2. Step 2: Convert to fraction form
    1,284,032.40/1,928,122.20 = 968,845.20/x
  3. Step 3: Cross multiply
    1,284,032.40x = 1,928,122.20 × 968,845.20
  4. Step 4: Simplify right side
    1,284,032.40x = 1,868,051,938,483.44
  5. Step 5: Solve for x
    x = 1,868,051,938,483.44/1,284,032.40
  6. Step 6: Final answer
    x = 1,454,832.40

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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.