Home / 680,575-1,020,784.68-181,977.88

Finding the Fourth Proportional to 680,575, 1,020,784.68 and 181,977.88

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Solution

The fourth proportional to 680,575, 1,020,784.68 and 181,977.88 is: 272,946.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,575 : 1,020,784.68 = 181,977.88 : x
  2. Step 2: Convert to fraction form
    680,575/1,020,784.68 = 181,977.88/x
  3. Step 3: Cross multiply
    680,575x = 1,020,784.68 × 181,977.88
  4. Step 4: Simplify right side
    680,575x = 185,760,232,002.88
  5. Step 5: Solve for x
    x = 185,760,232,002.88/680,575
  6. Step 6: Final answer
    x = 272,946.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.