Home / 1,229,004.30-1,843,506.45-980,172.30

Finding the Fourth Proportional to 1,229,004.30, 1,843,506.45 and 980,172.30

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Solution

The fourth proportional to 1,229,004.30, 1,843,506.45 and 980,172.30 is: 1,470,258.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,004.30 : 1,843,506.45 = 980,172.30 : x
  2. Step 2: Convert to fraction form
    1,229,004.30/1,843,506.45 = 980,172.30/x
  3. Step 3: Cross multiply
    1,229,004.30x = 1,843,506.45 × 980,172.30
  4. Step 4: Simplify right side
    1,229,004.30x = 1,806,953,957,161.34
  5. Step 5: Solve for x
    x = 1,806,953,957,161.34/1,229,004.30
  6. Step 6: Final answer
    x = 1,470,258.45

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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.