Home / 1,338,886.81-1,847,657.95-727,034.64

Finding the Fourth Proportional to 1,338,886.81, 1,847,657.95 and 727,034.64

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Solution

The fourth proportional to 1,338,886.81, 1,847,657.95 and 727,034.64 is: 1,003,304.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,886.81 : 1,847,657.95 = 727,034.64 : x
  2. Step 2: Convert to fraction form
    1,338,886.81/1,847,657.95 = 727,034.64/x
  3. Step 3: Cross multiply
    1,338,886.81x = 1,847,657.95 × 727,034.64
  4. Step 4: Simplify right side
    1,338,886.81x = 1,343,311,332,521.39
  5. Step 5: Solve for x
    x = 1,343,311,332,521.39/1,338,886.81
  6. Step 6: Final answer
    x = 1,003,304.63

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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.