Home / 869,161.20-1,302,186.60-710,530.80

Finding the Fourth Proportional to 869,161.20, 1,302,186.60 and 710,530.80

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Solution

The fourth proportional to 869,161.20, 1,302,186.60 and 710,530.80 is: 1,064,524.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,161.20 : 1,302,186.60 = 710,530.80 : x
  2. Step 2: Convert to fraction form
    869,161.20/1,302,186.60 = 710,530.80/x
  3. Step 3: Cross multiply
    869,161.20x = 1,302,186.60 × 710,530.80
  4. Step 4: Simplify right side
    869,161.20x = 925,243,686,647.28
  5. Step 5: Solve for x
    x = 925,243,686,647.28/869,161.20
  6. Step 6: Final answer
    x = 1,064,524.84

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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.