Home / 1,167,272.34-1,611,444.69-828,549.78

Finding the Fourth Proportional to 1,167,272.34, 1,611,444.69 and 828,549.78

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Solution

The fourth proportional to 1,167,272.34, 1,611,444.69 and 828,549.78 is: 1,143,830.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,167,272.34 : 1,611,444.69 = 828,549.78 : x
  2. Step 2: Convert to fraction form
    1,167,272.34/1,611,444.69 = 828,549.78/x
  3. Step 3: Cross multiply
    1,167,272.34x = 1,611,444.69 × 828,549.78
  4. Step 4: Simplify right side
    1,167,272.34x = 1,335,162,143,381.67
  5. Step 5: Solve for x
    x = 1,335,162,143,381.67/1,167,272.34
  6. Step 6: Final answer
    x = 1,143,830.88

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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.