Home / 1,163,859.52-1,605,885.30-680,331.16

Finding the Fourth Proportional to 1,163,859.52, 1,605,885.30 and 680,331.16

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Solution

The fourth proportional to 1,163,859.52, 1,605,885.30 and 680,331.16 is: 938,716.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,163,859.52 : 1,605,885.30 = 680,331.16 : x
  2. Step 2: Convert to fraction form
    1,163,859.52/1,605,885.30 = 680,331.16/x
  3. Step 3: Cross multiply
    1,163,859.52x = 1,605,885.30 × 680,331.16
  4. Step 4: Simplify right side
    1,163,859.52x = 1,092,533,808,975.95
  5. Step 5: Solve for x
    x = 1,092,533,808,975.95/1,163,859.52
  6. Step 6: Final answer
    x = 938,716.22

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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.