Home / 1,090,177.80-1,635,266.70-692,581.20

Finding the Fourth Proportional to 1,090,177.80, 1,635,266.70 and 692,581.20

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Solution

The fourth proportional to 1,090,177.80, 1,635,266.70 and 692,581.20 is: 1,038,871.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,177.80 : 1,635,266.70 = 692,581.20 : x
  2. Step 2: Convert to fraction form
    1,090,177.80/1,635,266.70 = 692,581.20/x
  3. Step 3: Cross multiply
    1,090,177.80x = 1,635,266.70 × 692,581.20
  4. Step 4: Simplify right side
    1,090,177.80x = 1,132,554,973,406.04
  5. Step 5: Solve for x
    x = 1,132,554,973,406.04/1,090,177.80
  6. Step 6: Final answer
    x = 1,038,871.80

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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.