Home / 1,039,632.06-1,434,775.59-826,530.78

Finding the Fourth Proportional to 1,039,632.06, 1,434,775.59 and 826,530.78

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Solution

The fourth proportional to 1,039,632.06, 1,434,775.59 and 826,530.78 is: 1,140,678.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,632.06 : 1,434,775.59 = 826,530.78 : x
  2. Step 2: Convert to fraction form
    1,039,632.06/1,434,775.59 = 826,530.78/x
  3. Step 3: Cross multiply
    1,039,632.06x = 1,434,775.59 × 826,530.78
  4. Step 4: Simplify right side
    1,039,632.06x = 1,185,886,187,527.66
  5. Step 5: Solve for x
    x = 1,185,886,187,527.66/1,039,632.06
  6. Step 6: Final answer
    x = 1,140,678.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.