Home / 1,530,388.80-2,293,614.90-930,713.40

Finding the Fourth Proportional to 1,530,388.80, 2,293,614.90 and 930,713.40

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Solution

The fourth proportional to 1,530,388.80, 2,293,614.90 and 930,713.40 is: 1,394,873.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,530,388.80 : 2,293,614.90 = 930,713.40 : x
  2. Step 2: Convert to fraction form
    1,530,388.80/2,293,614.90 = 930,713.40/x
  3. Step 3: Cross multiply
    1,530,388.80x = 2,293,614.90 × 930,713.40
  4. Step 4: Simplify right side
    1,530,388.80x = 2,134,698,121,869.66
  5. Step 5: Solve for x
    x = 2,134,698,121,869.66/1,530,388.80
  6. Step 6: Final answer
    x = 1,394,873.07

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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.