Home / 975,742.20-1,461,539.70-809,854.20

Finding the Fourth Proportional to 975,742.20, 1,461,539.70 and 809,854.20

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Solution

The fourth proportional to 975,742.20, 1,461,539.70 and 809,854.20 is: 1,213,060.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,742.20 : 1,461,539.70 = 809,854.20 : x
  2. Step 2: Convert to fraction form
    975,742.20/1,461,539.70 = 809,854.20/x
  3. Step 3: Cross multiply
    975,742.20x = 1,461,539.70 × 809,854.20
  4. Step 4: Simplify right side
    975,742.20x = 1,183,634,064,511.74
  5. Step 5: Solve for x
    x = 1,183,634,064,511.74/975,742.20
  6. Step 6: Final answer
    x = 1,213,060.24

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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.