Home / 909,904.80-1,364,857.20-732,757.80

Finding the Fourth Proportional to 909,904.80, 1,364,857.20 and 732,757.80

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Solution

The fourth proportional to 909,904.80, 1,364,857.20 and 732,757.80 is: 1,099,136.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,904.80 : 1,364,857.20 = 732,757.80 : x
  2. Step 2: Convert to fraction form
    909,904.80/1,364,857.20 = 732,757.80/x
  3. Step 3: Cross multiply
    909,904.80x = 1,364,857.20 × 732,757.80
  4. Step 4: Simplify right side
    909,904.80x = 1,000,109,759,186.16
  5. Step 5: Solve for x
    x = 1,000,109,759,186.16/909,904.80
  6. Step 6: Final answer
    x = 1,099,136.70

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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.