Home / 1,251,476.83-1,727,072.03-707,693.98

Finding the Fourth Proportional to 1,251,476.83, 1,727,072.03 and 707,693.98

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Solution

The fourth proportional to 1,251,476.83, 1,727,072.03 and 707,693.98 is: 976,636.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,476.83 : 1,727,072.03 = 707,693.98 : x
  2. Step 2: Convert to fraction form
    1,251,476.83/1,727,072.03 = 707,693.98/x
  3. Step 3: Cross multiply
    1,251,476.83x = 1,727,072.03 × 707,693.98
  4. Step 4: Simplify right side
    1,251,476.83x = 1,222,238,478,657.38
  5. Step 5: Solve for x
    x = 1,222,238,478,657.38/1,251,476.83
  6. Step 6: Final answer
    x = 976,636.92

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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.