Home / 975,829.60-1,467,243.60-821,864.80

Finding the Fourth Proportional to 975,829.60, 1,467,243.60 and 821,864.80

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Solution

The fourth proportional to 975,829.60, 1,467,243.60 and 821,864.80 is: 1,235,744.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,829.60 : 1,467,243.60 = 821,864.80 : x
  2. Step 2: Convert to fraction form
    975,829.60/1,467,243.60 = 821,864.80/x
  3. Step 3: Cross multiply
    975,829.60x = 1,467,243.60 × 821,864.80
  4. Step 4: Simplify right side
    975,829.60x = 1,205,875,867,865.28
  5. Step 5: Solve for x
    x = 1,205,875,867,865.28/975,829.60
  6. Step 6: Final answer
    x = 1,235,744.30

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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.