Home / 997,172.47-1,376,079.06-609,959.53

Finding the Fourth Proportional to 997,172.47, 1,376,079.06 and 609,959.53

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Solution

The fourth proportional to 997,172.47, 1,376,079.06 and 609,959.53 is: 841,732.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,172.47 : 1,376,079.06 = 609,959.53 : x
  2. Step 2: Convert to fraction form
    997,172.47/1,376,079.06 = 609,959.53/x
  3. Step 3: Cross multiply
    997,172.47x = 1,376,079.06 × 609,959.53
  4. Step 4: Simplify right side
    997,172.47x = 839,352,536,680.44
  5. Step 5: Solve for x
    x = 839,352,536,680.44/997,172.47
  6. Step 6: Final answer
    x = 841,732.56

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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.