Home / 1,171,729.64-1,616,965.48-662,432.16

Finding the Fourth Proportional to 1,171,729.64, 1,616,965.48 and 662,432.16

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Solution

The fourth proportional to 1,171,729.64, 1,616,965.48 and 662,432.16 is: 914,144.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,171,729.64 : 1,616,965.48 = 662,432.16 : x
  2. Step 2: Convert to fraction form
    1,171,729.64/1,616,965.48 = 662,432.16/x
  3. Step 3: Cross multiply
    1,171,729.64x = 1,616,965.48 × 662,432.16
  4. Step 4: Simplify right side
    1,171,729.64x = 1,071,129,935,561.84
  5. Step 5: Solve for x
    x = 1,071,129,935,561.84/1,171,729.64
  6. Step 6: Final answer
    x = 914,144.27

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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.