Home / 1,870,369.80-2,805,813.90-672,001.80

Finding the Fourth Proportional to 1,870,369.80, 2,805,813.90 and 672,001.80

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Solution

The fourth proportional to 1,870,369.80, 2,805,813.90 and 672,001.80 is: 1,008,095.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,870,369.80 : 2,805,813.90 = 672,001.80 : x
  2. Step 2: Convert to fraction form
    1,870,369.80/2,805,813.90 = 672,001.80/x
  3. Step 3: Cross multiply
    1,870,369.80x = 2,805,813.90 × 672,001.80
  4. Step 4: Simplify right side
    1,870,369.80x = 1,885,511,991,265.02
  5. Step 5: Solve for x
    x = 1,885,511,991,265.02/1,870,369.80
  6. Step 6: Final answer
    x = 1,008,095.83

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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.