Home / 1,119,003.52-1,679,968.56-664,424.80

Finding the Fourth Proportional to 1,119,003.52, 1,679,968.56 and 664,424.80

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Solution

The fourth proportional to 1,119,003.52, 1,679,968.56 and 664,424.80 is: 997,506.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,003.52 : 1,679,968.56 = 664,424.80 : x
  2. Step 2: Convert to fraction form
    1,119,003.52/1,679,968.56 = 664,424.80/x
  3. Step 3: Cross multiply
    1,119,003.52x = 1,679,968.56 × 664,424.80
  4. Step 4: Simplify right side
    1,119,003.52x = 1,116,212,774,484.29
  5. Step 5: Solve for x
    x = 1,116,212,774,484.29/1,119,003.52
  6. Step 6: Final answer
    x = 997,506.04

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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.