Home / 1,780,488.24-2,668,866.12-657,841.20

Finding the Fourth Proportional to 1,780,488.24, 2,668,866.12 and 657,841.20

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Solution

The fourth proportional to 1,780,488.24, 2,668,866.12 and 657,841.20 is: 986,072.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,780,488.24 : 2,668,866.12 = 657,841.20 : x
  2. Step 2: Convert to fraction form
    1,780,488.24/2,668,866.12 = 657,841.20/x
  3. Step 3: Cross multiply
    1,780,488.24x = 2,668,866.12 × 657,841.20
  4. Step 4: Simplify right side
    1,780,488.24x = 1,755,690,091,020.14
  5. Step 5: Solve for x
    x = 1,755,690,091,020.14/1,780,488.24
  6. Step 6: Final answer
    x = 986,072.28

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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.