Home / 1,862,309.80-2,792,808.60-664,271.20

Finding the Fourth Proportional to 1,862,309.80, 2,792,808.60 and 664,271.20

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Solution

The fourth proportional to 1,862,309.80, 2,792,808.60 and 664,271.20 is: 996,172.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,862,309.80 : 2,792,808.60 = 664,271.20 : x
  2. Step 2: Convert to fraction form
    1,862,309.80/2,792,808.60 = 664,271.20/x
  3. Step 3: Cross multiply
    1,862,309.80x = 2,792,808.60 × 664,271.20
  4. Step 4: Simplify right side
    1,862,309.80x = 1,855,182,320,092.32
  5. Step 5: Solve for x
    x = 1,855,182,320,092.32/1,862,309.80
  6. Step 6: Final answer
    x = 996,172.77

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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.