Home / 1,100,520.55-1,648,812.53-679,304.35

Finding the Fourth Proportional to 1,100,520.55, 1,648,812.53 and 679,304.35

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Solution

The fourth proportional to 1,100,520.55, 1,648,812.53 and 679,304.35 is: 1,017,741.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,520.55 : 1,648,812.53 = 679,304.35 : x
  2. Step 2: Convert to fraction form
    1,100,520.55/1,648,812.53 = 679,304.35/x
  3. Step 3: Cross multiply
    1,100,520.55x = 1,648,812.53 × 679,304.35
  4. Step 4: Simplify right side
    1,100,520.55x = 1,120,045,520,566.98
  5. Step 5: Solve for x
    x = 1,120,045,520,566.98/1,100,520.55
  6. Step 6: Final answer
    x = 1,017,741.58

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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.