Home / 1,160,428.80-1,740,921.60-486,136.32

Finding the Fourth Proportional to 1,160,428.80, 1,740,921.60 and 486,136.32

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Solution

The fourth proportional to 1,160,428.80, 1,740,921.60 and 486,136.32 is: 729,321.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,160,428.80 : 1,740,921.60 = 486,136.32 : x
  2. Step 2: Convert to fraction form
    1,160,428.80/1,740,921.60 = 486,136.32/x
  3. Step 3: Cross multiply
    1,160,428.80x = 1,740,921.60 × 486,136.32
  4. Step 4: Simplify right side
    1,160,428.80x = 846,325,220,032.51
  5. Step 5: Solve for x
    x = 846,325,220,032.51/1,160,428.80
  6. Step 6: Final answer
    x = 729,321.11

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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.