Home / 1,182,769.12-1,632,222.08-638,904.96

Finding the Fourth Proportional to 1,182,769.12, 1,632,222.08 and 638,904.96

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Solution

The fourth proportional to 1,182,769.12, 1,632,222.08 and 638,904.96 is: 881,689.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,769.12 : 1,632,222.08 = 638,904.96 : x
  2. Step 2: Convert to fraction form
    1,182,769.12/1,632,222.08 = 638,904.96/x
  3. Step 3: Cross multiply
    1,182,769.12x = 1,632,222.08 × 638,904.96
  4. Step 4: Simplify right side
    1,182,769.12x = 1,042,834,782,733.52
  5. Step 5: Solve for x
    x = 1,042,834,782,733.52/1,182,769.12
  6. Step 6: Final answer
    x = 881,689.22

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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.