Home / 1,382,604.72-2,073,897.36-385,332.72

Finding the Fourth Proportional to 1,382,604.72, 2,073,897.36 and 385,332.72

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Solution

The fourth proportional to 1,382,604.72, 2,073,897.36 and 385,332.72 is: 577,996.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,604.72 : 2,073,897.36 = 385,332.72 : x
  2. Step 2: Convert to fraction form
    1,382,604.72/2,073,897.36 = 385,332.72/x
  3. Step 3: Cross multiply
    1,382,604.72x = 2,073,897.36 × 385,332.72
  4. Step 4: Simplify right side
    1,382,604.72x = 799,140,510,729.62
  5. Step 5: Solve for x
    x = 799,140,510,729.62/1,382,604.72
  6. Step 6: Final answer
    x = 577,996.37

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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.