Home / 1,530,397.80-2,293,628.40-930,722.40

Finding the Fourth Proportional to 1,530,397.80, 2,293,628.40 and 930,722.40

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Solution

The fourth proportional to 1,530,397.80, 2,293,628.40 and 930,722.40 is: 1,394,886.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,530,397.80 : 2,293,628.40 = 930,722.40 : x
  2. Step 2: Convert to fraction form
    1,530,397.80/2,293,628.40 = 930,722.40/x
  3. Step 3: Cross multiply
    1,530,397.80x = 2,293,628.40 × 930,722.40
  4. Step 4: Simplify right side
    1,530,397.80x = 2,134,731,329,156.16
  5. Step 5: Solve for x
    x = 2,134,731,329,156.16/1,530,397.80
  6. Step 6: Final answer
    x = 1,394,886.56

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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.