Home / 1,113,763.20-1,670,644.80-365,809.20

Finding the Fourth Proportional to 1,113,763.20, 1,670,644.80 and 365,809.20

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Solution

The fourth proportional to 1,113,763.20, 1,670,644.80 and 365,809.20 is: 548,713.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,763.20 : 1,670,644.80 = 365,809.20 : x
  2. Step 2: Convert to fraction form
    1,113,763.20/1,670,644.80 = 365,809.20/x
  3. Step 3: Cross multiply
    1,113,763.20x = 1,670,644.80 × 365,809.20
  4. Step 4: Simplify right side
    1,113,763.20x = 611,137,237,772.16
  5. Step 5: Solve for x
    x = 611,137,237,772.16/1,113,763.20
  6. Step 6: Final answer
    x = 548,713.80

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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.