Home / 975,808.20-1,461,638.70-809,920.20

Finding the Fourth Proportional to 975,808.20, 1,461,638.70 and 809,920.20

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Solution

The fourth proportional to 975,808.20, 1,461,638.70 and 809,920.20 is: 1,213,159.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,808.20 : 1,461,638.70 = 809,920.20 : x
  2. Step 2: Convert to fraction form
    975,808.20/1,461,638.70 = 809,920.20/x
  3. Step 3: Cross multiply
    975,808.20x = 1,461,638.70 × 809,920.20
  4. Step 4: Simplify right side
    975,808.20x = 1,183,810,708,231.74
  5. Step 5: Solve for x
    x = 1,183,810,708,231.74/975,808.20
  6. Step 6: Final answer
    x = 1,213,159.21

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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.