Home / 1,510,426.32-2,265,310.80-499,309.40

Finding the Fourth Proportional to 1,510,426.32, 2,265,310.80 and 499,309.40

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Solution

The fourth proportional to 1,510,426.32, 2,265,310.80 and 499,309.40 is: 748,855.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510,426.32 : 2,265,310.80 = 499,309.40 : x
  2. Step 2: Convert to fraction form
    1,510,426.32/2,265,310.80 = 499,309.40/x
  3. Step 3: Cross multiply
    1,510,426.32x = 2,265,310.80 × 499,309.40
  4. Step 4: Simplify right side
    1,510,426.32x = 1,131,090,976,361.52
  5. Step 5: Solve for x
    x = 1,131,090,976,361.52/1,510,426.32
  6. Step 6: Final answer
    x = 748,855.45

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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.