Home / 1,780,482.24-2,668,857.12-657,835.20

Finding the Fourth Proportional to 1,780,482.24, 2,668,857.12 and 657,835.20

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Solution

The fourth proportional to 1,780,482.24, 2,668,857.12 and 657,835.20 is: 986,063.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,780,482.24 : 2,668,857.12 = 657,835.20 : x
  2. Step 2: Convert to fraction form
    1,780,482.24/2,668,857.12 = 657,835.20/x
  3. Step 3: Cross multiply
    1,780,482.24x = 2,668,857.12 × 657,835.20
  4. Step 4: Simplify right side
    1,780,482.24x = 1,755,668,157,306.62
  5. Step 5: Solve for x
    x = 1,755,668,157,306.62/1,780,482.24
  6. Step 6: Final answer
    x = 986,063.28

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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.