Home / 1,236,280.40-1,854,420.60-955,998.80

Finding the Fourth Proportional to 1,236,280.40, 1,854,420.60 and 955,998.80

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Solution

The fourth proportional to 1,236,280.40, 1,854,420.60 and 955,998.80 is: 1,433,998.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,280.40 : 1,854,420.60 = 955,998.80 : x
  2. Step 2: Convert to fraction form
    1,236,280.40/1,854,420.60 = 955,998.80/x
  3. Step 3: Cross multiply
    1,236,280.40x = 1,854,420.60 × 955,998.80
  4. Step 4: Simplify right side
    1,236,280.40x = 1,772,823,868,295.28
  5. Step 5: Solve for x
    x = 1,772,823,868,295.28/1,236,280.40
  6. Step 6: Final answer
    x = 1,433,998.20

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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.