Home / 1,382,407.56-2,073,609.72-385,135.56

Finding the Fourth Proportional to 1,382,407.56, 2,073,609.72 and 385,135.56

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Solution

The fourth proportional to 1,382,407.56, 2,073,609.72 and 385,135.56 is: 577,702.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,407.56 : 2,073,609.72 = 385,135.56 : x
  2. Step 2: Convert to fraction form
    1,382,407.56/2,073,609.72 = 385,135.56/x
  3. Step 3: Cross multiply
    1,382,407.56x = 2,073,609.72 × 385,135.56
  4. Step 4: Simplify right side
    1,382,407.56x = 798,620,840,733.64
  5. Step 5: Solve for x
    x = 798,620,840,733.64/1,382,407.56
  6. Step 6: Final answer
    x = 577,702.89

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1.5x scale

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.