Home / 1,068,369.20-1,602,553.80-320,415.20

Finding the Fourth Proportional to 1,068,369.20, 1,602,553.80 and 320,415.20

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Solution

The fourth proportional to 1,068,369.20, 1,602,553.80 and 320,415.20 is: 480,622.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,068,369.20 : 1,602,553.80 = 320,415.20 : x
  2. Step 2: Convert to fraction form
    1,068,369.20/1,602,553.80 = 320,415.20/x
  3. Step 3: Cross multiply
    1,068,369.20x = 1,602,553.80 × 320,415.20
  4. Step 4: Simplify right side
    1,068,369.20x = 513,482,596,337.76
  5. Step 5: Solve for x
    x = 513,482,596,337.76/1,068,369.20
  6. Step 6: Final answer
    x = 480,622.80

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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.