Home / 1,027,587.18-1,419,425.70-788,820.24

Finding the Fourth Proportional to 1,027,587.18, 1,419,425.70 and 788,820.24

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Solution

The fourth proportional to 1,027,587.18, 1,419,425.70 and 788,820.24 is: 1,089,612.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,027,587.18 : 1,419,425.70 = 788,820.24 : x
  2. Step 2: Convert to fraction form
    1,027,587.18/1,419,425.70 = 788,820.24/x
  3. Step 3: Cross multiply
    1,027,587.18x = 1,419,425.70 × 788,820.24
  4. Step 4: Simplify right side
    1,027,587.18x = 1,119,671,721,336.17
  5. Step 5: Solve for x
    x = 1,119,671,721,336.17/1,027,587.18
  6. Step 6: Final answer
    x = 1,089,612.39

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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.