Home / 1,220,687.78-1,830,681.75-367,842.02

Finding the Fourth Proportional to 1,220,687.78, 1,830,681.75 and 367,842.02

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Solution

The fourth proportional to 1,220,687.78, 1,830,681.75 and 367,842.02 is: 551,657.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,687.78 : 1,830,681.75 = 367,842.02 : x
  2. Step 2: Convert to fraction form
    1,220,687.78/1,830,681.75 = 367,842.02/x
  3. Step 3: Cross multiply
    1,220,687.78x = 1,830,681.75 × 367,842.02
  4. Step 4: Simplify right side
    1,220,687.78x = 673,401,672,897.14
  5. Step 5: Solve for x
    x = 673,401,672,897.14/1,220,687.78
  6. Step 6: Final answer
    x = 551,657.59

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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.