Home / 976,940.80-1,465,411.20-889,849.60

Finding the Fourth Proportional to 976,940.80, 1,465,411.20 and 889,849.60

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Solution

The fourth proportional to 976,940.80, 1,465,411.20 and 889,849.60 is: 1,334,774.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,940.80 : 1,465,411.20 = 889,849.60 : x
  2. Step 2: Convert to fraction form
    976,940.80/1,465,411.20 = 889,849.60/x
  3. Step 3: Cross multiply
    976,940.80x = 1,465,411.20 × 889,849.60
  4. Step 4: Simplify right side
    976,940.80x = 1,303,995,570,155.52
  5. Step 5: Solve for x
    x = 1,303,995,570,155.52/976,940.80
  6. Step 6: Final answer
    x = 1,334,774.40

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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.