Home / 1,310,460.05-1,808,431.11-737,500.21

Finding the Fourth Proportional to 1,310,460.05, 1,808,431.11 and 737,500.21

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Solution

The fourth proportional to 1,310,460.05, 1,808,431.11 and 737,500.21 is: 1,017,748.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,460.05 : 1,808,431.11 = 737,500.21 : x
  2. Step 2: Convert to fraction form
    1,310,460.05/1,808,431.11 = 737,500.21/x
  3. Step 3: Cross multiply
    1,310,460.05x = 1,808,431.11 × 737,500.21
  4. Step 4: Simplify right side
    1,310,460.05x = 1,333,718,318,874.46
  5. Step 5: Solve for x
    x = 1,333,718,318,874.46/1,310,460.05
  6. Step 6: Final answer
    x = 1,017,748.17

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.