Home / 1,520,214.70-2,278,896.45-574,221.10

Finding the Fourth Proportional to 1,520,214.70, 2,278,896.45 and 574,221.10

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Solution

The fourth proportional to 1,520,214.70, 2,278,896.45 and 574,221.10 is: 860,793.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,214.70 : 2,278,896.45 = 574,221.10 : x
  2. Step 2: Convert to fraction form
    1,520,214.70/2,278,896.45 = 574,221.10/x
  3. Step 3: Cross multiply
    1,520,214.70x = 2,278,896.45 × 574,221.10
  4. Step 4: Simplify right side
    1,520,214.70x = 1,308,590,426,305.10
  5. Step 5: Solve for x
    x = 1,308,590,426,305.10/1,520,214.70
  6. Step 6: Final answer
    x = 860,793.17

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Double scale
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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.