Home / 1,097,362.80-1,646,044.20-831,642.30

Finding the Fourth Proportional to 1,097,362.80, 1,646,044.20 and 831,642.30

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Solution

The fourth proportional to 1,097,362.80, 1,646,044.20 and 831,642.30 is: 1,247,463.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,362.80 : 1,646,044.20 = 831,642.30 : x
  2. Step 2: Convert to fraction form
    1,097,362.80/1,646,044.20 = 831,642.30/x
  3. Step 3: Cross multiply
    1,097,362.80x = 1,646,044.20 × 831,642.30
  4. Step 4: Simplify right side
    1,097,362.80x = 1,368,919,984,389.66
  5. Step 5: Solve for x
    x = 1,368,919,984,389.66/1,097,362.80
  6. Step 6: Final answer
    x = 1,247,463.45

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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.