Home / 1,226,992.32-1,692,811.07-710,464.23

Finding the Fourth Proportional to 1,226,992.32, 1,692,811.07 and 710,464.23

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Solution

The fourth proportional to 1,226,992.32, 1,692,811.07 and 710,464.23 is: 980,186.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,992.32 : 1,692,811.07 = 710,464.23 : x
  2. Step 2: Convert to fraction form
    1,226,992.32/1,692,811.07 = 710,464.23/x
  3. Step 3: Cross multiply
    1,226,992.32x = 1,692,811.07 × 710,464.23
  4. Step 4: Simplify right side
    1,226,992.32x = 1,202,681,712,494.95
  5. Step 5: Solve for x
    x = 1,202,681,712,494.95/1,226,992.32
  6. Step 6: Final answer
    x = 980,186.83

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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.