Home / 1,090,180.80-1,635,271.20-692,584.20

Finding the Fourth Proportional to 1,090,180.80, 1,635,271.20 and 692,584.20

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Solution

The fourth proportional to 1,090,180.80, 1,635,271.20 and 692,584.20 is: 1,038,876.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,180.80 : 1,635,271.20 = 692,584.20 : x
  2. Step 2: Convert to fraction form
    1,090,180.80/1,635,271.20 = 692,584.20/x
  3. Step 3: Cross multiply
    1,090,180.80x = 1,635,271.20 × 692,584.20
  4. Step 4: Simplify right side
    1,090,180.80x = 1,132,562,995,835.04
  5. Step 5: Solve for x
    x = 1,132,562,995,835.04/1,090,180.80
  6. Step 6: Final answer
    x = 1,038,876.30

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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.