Home / 1,358,012.52-1,874,220.21-814,447.34

Finding the Fourth Proportional to 1,358,012.52, 1,874,220.21 and 814,447.34

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Solution

The fourth proportional to 1,358,012.52, 1,874,220.21 and 814,447.34 is: 1,124,035.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358,012.52 : 1,874,220.21 = 814,447.34 : x
  2. Step 2: Convert to fraction form
    1,358,012.52/1,874,220.21 = 814,447.34/x
  3. Step 3: Cross multiply
    1,358,012.52x = 1,874,220.21 × 814,447.34
  4. Step 4: Simplify right side
    1,358,012.52x = 1,526,453,674,181.54
  5. Step 5: Solve for x
    x = 1,526,453,674,181.54/1,358,012.52
  6. Step 6: Final answer
    x = 1,124,035.05

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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.