Home / 1,095,268.80-1,641,136.80-620,542.40

Finding the Fourth Proportional to 1,095,268.80, 1,641,136.80 and 620,542.40

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Solution

The fourth proportional to 1,095,268.80, 1,641,136.80 and 620,542.40 is: 929,812.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095,268.80 : 1,641,136.80 = 620,542.40 : x
  2. Step 2: Convert to fraction form
    1,095,268.80/1,641,136.80 = 620,542.40/x
  3. Step 3: Cross multiply
    1,095,268.80x = 1,641,136.80 × 620,542.40
  4. Step 4: Simplify right side
    1,095,268.80x = 1,018,394,968,600.32
  5. Step 5: Solve for x
    x = 1,018,394,968,600.32/1,095,268.80
  6. Step 6: Final answer
    x = 929,812.82

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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.