Home / 1,113,755.20-1,670,632.80-365,801.20

Finding the Fourth Proportional to 1,113,755.20, 1,670,632.80 and 365,801.20

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Solution

The fourth proportional to 1,113,755.20, 1,670,632.80 and 365,801.20 is: 548,701.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,755.20 : 1,670,632.80 = 365,801.20 : x
  2. Step 2: Convert to fraction form
    1,113,755.20/1,670,632.80 = 365,801.20/x
  3. Step 3: Cross multiply
    1,113,755.20x = 1,670,632.80 × 365,801.20
  4. Step 4: Simplify right side
    1,113,755.20x = 611,119,482,999.36
  5. Step 5: Solve for x
    x = 611,119,482,999.36/1,113,755.20
  6. Step 6: Final answer
    x = 548,701.80

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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.