Home / 1,324,916.46-1,828,384.70-721,304.46

Finding the Fourth Proportional to 1,324,916.46, 1,828,384.70 and 721,304.46

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Solution

The fourth proportional to 1,324,916.46, 1,828,384.70 and 721,304.46 is: 995,400.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324,916.46 : 1,828,384.70 = 721,304.46 : x
  2. Step 2: Convert to fraction form
    1,324,916.46/1,828,384.70 = 721,304.46/x
  3. Step 3: Cross multiply
    1,324,916.46x = 1,828,384.70 × 721,304.46
  4. Step 4: Simplify right side
    1,324,916.46x = 1,318,822,035,099.24
  5. Step 5: Solve for x
    x = 1,318,822,035,099.24/1,324,916.46
  6. Step 6: Final answer
    x = 995,400.14

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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.