Home / 1,434,173.12-2,151,276.96-436,909.76

Finding the Fourth Proportional to 1,434,173.12, 2,151,276.96 and 436,909.76

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Solution

The fourth proportional to 1,434,173.12, 2,151,276.96 and 436,909.76 is: 655,369.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,173.12 : 2,151,276.96 = 436,909.76 : x
  2. Step 2: Convert to fraction form
    1,434,173.12/2,151,276.96 = 436,909.76/x
  3. Step 3: Cross multiply
    1,434,173.12x = 2,151,276.96 × 436,909.76
  4. Step 4: Simplify right side
    1,434,173.12x = 939,913,900,287.13
  5. Step 5: Solve for x
    x = 939,913,900,287.13/1,434,173.12
  6. Step 6: Final answer
    x = 655,369.90

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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.