Home / 1,246,409.10-1,869,516.45-488,103.30

Finding the Fourth Proportional to 1,246,409.10, 1,869,516.45 and 488,103.30

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Solution

The fourth proportional to 1,246,409.10, 1,869,516.45 and 488,103.30 is: 732,116.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,409.10 : 1,869,516.45 = 488,103.30 : x
  2. Step 2: Convert to fraction form
    1,246,409.10/1,869,516.45 = 488,103.30/x
  3. Step 3: Cross multiply
    1,246,409.10x = 1,869,516.45 × 488,103.30
  4. Step 4: Simplify right side
    1,246,409.10x = 912,517,148,649.29
  5. Step 5: Solve for x
    x = 912,517,148,649.29/1,246,409.10
  6. Step 6: Final answer
    x = 732,116.89

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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.