Home / 1,478,709.10-2,218,063.65-947,268.10

Finding the Fourth Proportional to 1,478,709.10, 2,218,063.65 and 947,268.10

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Solution

The fourth proportional to 1,478,709.10, 2,218,063.65 and 947,268.10 is: 1,420,902.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,709.10 : 2,218,063.65 = 947,268.10 : x
  2. Step 2: Convert to fraction form
    1,478,709.10/2,218,063.65 = 947,268.10/x
  3. Step 3: Cross multiply
    1,478,709.10x = 2,218,063.65 × 947,268.10
  4. Step 4: Simplify right side
    1,478,709.10x = 2,101,100,939,414.57
  5. Step 5: Solve for x
    x = 2,101,100,939,414.57/1,478,709.10
  6. Step 6: Final answer
    x = 1,420,902.15

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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.