Home / 997,135.68-1,376,028.43-609,922.61

Finding the Fourth Proportional to 997,135.68, 1,376,028.43 and 609,922.61

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Solution

The fourth proportional to 997,135.68, 1,376,028.43 and 609,922.61 is: 841,681.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,135.68 : 1,376,028.43 = 609,922.61 : x
  2. Step 2: Convert to fraction form
    997,135.68/1,376,028.43 = 609,922.61/x
  3. Step 3: Cross multiply
    997,135.68x = 1,376,028.43 × 609,922.61
  4. Step 4: Simplify right side
    997,135.68x = 839,270,851,459.80
  5. Step 5: Solve for x
    x = 839,270,851,459.80/997,135.68
  6. Step 6: Final answer
    x = 841,681.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.