Home / 1,398,003.33-2,097,010.47-425,377.34

Finding the Fourth Proportional to 1,398,003.33, 2,097,010.47 and 425,377.34

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Solution

The fourth proportional to 1,398,003.33, 2,097,010.47 and 425,377.34 is: 638,067.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,398,003.33 : 2,097,010.47 = 425,377.34 : x
  2. Step 2: Convert to fraction form
    1,398,003.33/2,097,010.47 = 425,377.34/x
  3. Step 3: Cross multiply
    1,398,003.33x = 2,097,010.47 × 425,377.34
  4. Step 4: Simplify right side
    1,398,003.33x = 892,020,725,195.70
  5. Step 5: Solve for x
    x = 892,020,725,195.70/1,398,003.33
  6. Step 6: Final answer
    x = 638,067.67

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1.5x scale

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.