Home / 1,098,187.80-1,646,504.10-424,008.60

Finding the Fourth Proportional to 1,098,187.80, 1,646,504.10 and 424,008.60

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Solution

The fourth proportional to 1,098,187.80, 1,646,504.10 and 424,008.60 is: 635,712.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,187.80 : 1,646,504.10 = 424,008.60 : x
  2. Step 2: Convert to fraction form
    1,098,187.80/1,646,504.10 = 424,008.60/x
  3. Step 3: Cross multiply
    1,098,187.80x = 1,646,504.10 × 424,008.60
  4. Step 4: Simplify right side
    1,098,187.80x = 698,131,898,335.26
  5. Step 5: Solve for x
    x = 698,131,898,335.26/1,098,187.80
  6. Step 6: Final answer
    x = 635,712.67

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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.