Home / 975,016.80-1,462,525.20-809,128.80

Finding the Fourth Proportional to 975,016.80, 1,462,525.20 and 809,128.80

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Solution

The fourth proportional to 975,016.80, 1,462,525.20 and 809,128.80 is: 1,213,693.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,016.80 : 1,462,525.20 = 809,128.80 : x
  2. Step 2: Convert to fraction form
    975,016.80/1,462,525.20 = 809,128.80/x
  3. Step 3: Cross multiply
    975,016.80x = 1,462,525.20 × 809,128.80
  4. Step 4: Simplify right side
    975,016.80x = 1,183,371,260,045.76
  5. Step 5: Solve for x
    x = 1,183,371,260,045.76/975,016.80
  6. Step 6: Final answer
    x = 1,213,693.20

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1.5x scale

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.