Home / 1,458,007.70-2,187,011.55-1,007,777.30

Finding the Fourth Proportional to 1,458,007.70, 2,187,011.55 and 1,007,777.30

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Solution

The fourth proportional to 1,458,007.70, 2,187,011.55 and 1,007,777.30 is: 1,511,665.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,007.70 : 2,187,011.55 = 1,007,777.30 : x
  2. Step 2: Convert to fraction form
    1,458,007.70/2,187,011.55 = 1,007,777.30/x
  3. Step 3: Cross multiply
    1,458,007.70x = 2,187,011.55 × 1,007,777.30
  4. Step 4: Simplify right side
    1,458,007.70x = 2,204,020,594,927.82
  5. Step 5: Solve for x
    x = 2,204,020,594,927.82/1,458,007.70
  6. Step 6: Final answer
    x = 1,511,665.95

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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.