Home / 1,112,158.60-1,668,237.90-270,710.35

Finding the Fourth Proportional to 1,112,158.60, 1,668,237.90 and 270,710.35

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Solution

The fourth proportional to 1,112,158.60, 1,668,237.90 and 270,710.35 is: 406,065.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,158.60 : 1,668,237.90 = 270,710.35 : x
  2. Step 2: Convert to fraction form
    1,112,158.60/1,668,237.90 = 270,710.35/x
  3. Step 3: Cross multiply
    1,112,158.60x = 1,668,237.90 × 270,710.35
  4. Step 4: Simplify right side
    1,112,158.60x = 451,609,265,792.27
  5. Step 5: Solve for x
    x = 451,609,265,792.27/1,112,158.60
  6. Step 6: Final answer
    x = 406,065.53

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Double scale
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Similar ratio
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1.5x scale

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.