Home / 1,231,451.31-1,698,467.58-1,059,657.15

Finding the Fourth Proportional to 1,231,451.31, 1,698,467.58 and 1,059,657.15

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Solution

The fourth proportional to 1,231,451.31, 1,698,467.58 and 1,059,657.15 is: 1,461,522.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,451.31 : 1,698,467.58 = 1,059,657.15 : x
  2. Step 2: Convert to fraction form
    1,231,451.31/1,698,467.58 = 1,059,657.15/x
  3. Step 3: Cross multiply
    1,231,451.31x = 1,698,467.58 × 1,059,657.15
  4. Step 4: Simplify right side
    1,231,451.31x = 1,799,793,315,190.20
  5. Step 5: Solve for x
    x = 1,799,793,315,190.20/1,231,451.31
  6. Step 6: Final answer
    x = 1,461,522.11

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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.