Home / 1,205,322.48-1,663,223.94-721,875.24

Finding the Fourth Proportional to 1,205,322.48, 1,663,223.94 and 721,875.24

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Solution

The fourth proportional to 1,205,322.48, 1,663,223.94 and 721,875.24 is: 996,115.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,322.48 : 1,663,223.94 = 721,875.24 : x
  2. Step 2: Convert to fraction form
    1,205,322.48/1,663,223.94 = 721,875.24/x
  3. Step 3: Cross multiply
    1,205,322.48x = 1,663,223.94 × 721,875.24
  4. Step 4: Simplify right side
    1,205,322.48x = 1,200,640,180,861.25
  5. Step 5: Solve for x
    x = 1,200,640,180,861.25/1,205,322.48
  6. Step 6: Final answer
    x = 996,115.31

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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.