Home / 1,090,179.80-1,635,269.70-692,583.20

Finding the Fourth Proportional to 1,090,179.80, 1,635,269.70 and 692,583.20

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Solution

The fourth proportional to 1,090,179.80, 1,635,269.70 and 692,583.20 is: 1,038,874.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,179.80 : 1,635,269.70 = 692,583.20 : x
  2. Step 2: Convert to fraction form
    1,090,179.80/1,635,269.70 = 692,583.20/x
  3. Step 3: Cross multiply
    1,090,179.80x = 1,635,269.70 × 692,583.20
  4. Step 4: Simplify right side
    1,090,179.80x = 1,132,560,321,689.04
  5. Step 5: Solve for x
    x = 1,132,560,321,689.04/1,090,179.80
  6. Step 6: Final answer
    x = 1,038,874.80

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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.