Home / 1,578,009-2,366,027.25-666,722.95

Finding the Fourth Proportional to 1,578,009, 2,366,027.25 and 666,722.95

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Solution

The fourth proportional to 1,578,009, 2,366,027.25 and 666,722.95 is: 999,667.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,578,009 : 2,366,027.25 = 666,722.95 : x
  2. Step 2: Convert to fraction form
    1,578,009/2,366,027.25 = 666,722.95/x
  3. Step 3: Cross multiply
    1,578,009x = 2,366,027.25 × 666,722.95
  4. Step 4: Simplify right side
    1,578,009x = 1,577,484,667,900.39
  5. Step 5: Solve for x
    x = 1,577,484,667,900.39/1,578,009
  6. Step 6: Final answer
    x = 999,667.73

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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.