Home / 1,631,465-2,447,445.72-832,310.12

Finding the Fourth Proportional to 1,631,465, 2,447,445.72 and 832,310.12

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Solution

The fourth proportional to 1,631,465, 2,447,445.72 and 832,310.12 is: 1,248,591.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,631,465 : 2,447,445.72 = 832,310.12 : x
  2. Step 2: Convert to fraction form
    1,631,465/2,447,445.72 = 832,310.12/x
  3. Step 3: Cross multiply
    1,631,465x = 2,447,445.72 × 832,310.12
  4. Step 4: Simplify right side
    1,631,465x = 2,037,033,840,906.69
  5. Step 5: Solve for x
    x = 2,037,033,840,906.69/1,631,465
  6. Step 6: Final answer
    x = 1,248,591.81

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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.