Home / 976,726.80-1,465,090.20-693,291.60

Finding the Fourth Proportional to 976,726.80, 1,465,090.20 and 693,291.60

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Solution

The fourth proportional to 976,726.80, 1,465,090.20 and 693,291.60 is: 1,039,937.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,726.80 : 1,465,090.20 = 693,291.60 : x
  2. Step 2: Convert to fraction form
    976,726.80/1,465,090.20 = 693,291.60/x
  3. Step 3: Cross multiply
    976,726.80x = 1,465,090.20 × 693,291.60
  4. Step 4: Simplify right side
    976,726.80x = 1,015,734,728,902.32
  5. Step 5: Solve for x
    x = 1,015,734,728,902.32/976,726.80
  6. Step 6: Final answer
    x = 1,039,937.40

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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.