Home / 1,092,885.60-1,638,615.60-980,911.20

Finding the Fourth Proportional to 1,092,885.60, 1,638,615.60 and 980,911.20

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Solution

The fourth proportional to 1,092,885.60, 1,638,615.60 and 980,911.20 is: 1,470,727.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,885.60 : 1,638,615.60 = 980,911.20 : x
  2. Step 2: Convert to fraction form
    1,092,885.60/1,638,615.60 = 980,911.20/x
  3. Step 3: Cross multiply
    1,092,885.60x = 1,638,615.60 × 980,911.20
  4. Step 4: Simplify right side
    1,092,885.60x = 1,607,336,394,534.72
  5. Step 5: Solve for x
    x = 1,607,336,394,534.72/1,092,885.60
  6. Step 6: Final answer
    x = 1,470,727.03

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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.