Home / 1,577,321.40-2,365,982.10-980,124.60

Finding the Fourth Proportional to 1,577,321.40, 2,365,982.10 and 980,124.60

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Solution

The fourth proportional to 1,577,321.40, 2,365,982.10 and 980,124.60 is: 1,470,186.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,577,321.40 : 2,365,982.10 = 980,124.60 : x
  2. Step 2: Convert to fraction form
    1,577,321.40/2,365,982.10 = 980,124.60/x
  3. Step 3: Cross multiply
    1,577,321.40x = 2,365,982.10 × 980,124.60
  4. Step 4: Simplify right side
    1,577,321.40x = 2,318,957,259,369.66
  5. Step 5: Solve for x
    x = 2,318,957,259,369.66/1,577,321.40
  6. Step 6: Final answer
    x = 1,470,186.90

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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.