Home / 1,100,274.80-1,648,443.90-679,058.60

Finding the Fourth Proportional to 1,100,274.80, 1,648,443.90 and 679,058.60

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Solution

The fourth proportional to 1,100,274.80, 1,648,443.90 and 679,058.60 is: 1,017,373.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,274.80 : 1,648,443.90 = 679,058.60 : x
  2. Step 2: Convert to fraction form
    1,100,274.80/1,648,443.90 = 679,058.60/x
  3. Step 3: Cross multiply
    1,100,274.80x = 1,648,443.90 × 679,058.60
  4. Step 4: Simplify right side
    1,100,274.80x = 1,119,390,006,912.54
  5. Step 5: Solve for x
    x = 1,119,390,006,912.54/1,100,274.80
  6. Step 6: Final answer
    x = 1,017,373.12

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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.