Home / 998,123.98-1,497,025.32-278,484.34

Finding the Fourth Proportional to 998,123.98, 1,497,025.32 and 278,484.34

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Solution

The fourth proportional to 998,123.98, 1,497,025.32 and 278,484.34 is: 417,681.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,123.98 : 1,497,025.32 = 278,484.34 : x
  2. Step 2: Convert to fraction form
    998,123.98/1,497,025.32 = 278,484.34/x
  3. Step 3: Cross multiply
    998,123.98x = 1,497,025.32 × 278,484.34
  4. Step 4: Simplify right side
    998,123.98x = 416,898,108,203.49
  5. Step 5: Solve for x
    x = 416,898,108,203.49/998,123.98
  6. Step 6: Final answer
    x = 417,681.69

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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.