Home / 1,168,401.20-1,752,601.80-420,177.20

Finding the Fourth Proportional to 1,168,401.20, 1,752,601.80 and 420,177.20

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Solution

The fourth proportional to 1,168,401.20, 1,752,601.80 and 420,177.20 is: 630,265.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168,401.20 : 1,752,601.80 = 420,177.20 : x
  2. Step 2: Convert to fraction form
    1,168,401.20/1,752,601.80 = 420,177.20/x
  3. Step 3: Cross multiply
    1,168,401.20x = 1,752,601.80 × 420,177.20
  4. Step 4: Simplify right side
    1,168,401.20x = 736,403,317,038.96
  5. Step 5: Solve for x
    x = 736,403,317,038.96/1,168,401.20
  6. Step 6: Final answer
    x = 630,265.80

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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.