Home / 1,071,284.27-1,479,064.82-663,818.51

Finding the Fourth Proportional to 1,071,284.27, 1,479,064.82 and 663,818.51

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Solution

The fourth proportional to 1,071,284.27, 1,479,064.82 and 663,818.51 is: 916,498.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,284.27 : 1,479,064.82 = 663,818.51 : x
  2. Step 2: Convert to fraction form
    1,071,284.27/1,479,064.82 = 663,818.51/x
  3. Step 3: Cross multiply
    1,071,284.27x = 1,479,064.82 × 663,818.51
  4. Step 4: Simplify right side
    1,071,284.27x = 981,830,599,270.04
  5. Step 5: Solve for x
    x = 981,830,599,270.04/1,071,284.27
  6. Step 6: Final answer
    x = 916,498.67

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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.