Home / 1,434,172-2,151,258.16-436,900

Finding the Fourth Proportional to 1,434,172, 2,151,258.16 and 436,900

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Solution

The fourth proportional to 1,434,172, 2,151,258.16 and 436,900 is: 655,350.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,172 : 2,151,258.16 = 436,900 : x
  2. Step 2: Convert to fraction form
    1,434,172/2,151,258.16 = 436,900/x
  3. Step 3: Cross multiply
    1,434,172x = 2,151,258.16 × 436,900
  4. Step 4: Simplify right side
    1,434,172x = 939,884,690,104.00
  5. Step 5: Solve for x
    x = 939,884,690,104.00/1,434,172
  6. Step 6: Final answer
    x = 655,350.05

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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.