Home / 976,985.20-1,465,477.80-809,023.60

Finding the Fourth Proportional to 976,985.20, 1,465,477.80 and 809,023.60

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Solution

The fourth proportional to 976,985.20, 1,465,477.80 and 809,023.60 is: 1,213,535.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,985.20 : 1,465,477.80 = 809,023.60 : x
  2. Step 2: Convert to fraction form
    976,985.20/1,465,477.80 = 809,023.60/x
  3. Step 3: Cross multiply
    976,985.20x = 1,465,477.80 × 809,023.60
  4. Step 4: Simplify right side
    976,985.20x = 1,185,606,125,476.08
  5. Step 5: Solve for x
    x = 1,185,606,125,476.08/976,985.20
  6. Step 6: Final answer
    x = 1,213,535.40

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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.