Home / 1,429,851.79-2,144,795.36-418,994.47

Finding the Fourth Proportional to 1,429,851.79, 2,144,795.36 and 418,994.47

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Solution

The fourth proportional to 1,429,851.79, 2,144,795.36 and 418,994.47 is: 628,496.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,851.79 : 2,144,795.36 = 418,994.47 : x
  2. Step 2: Convert to fraction form
    1,429,851.79/2,144,795.36 = 418,994.47/x
  3. Step 3: Cross multiply
    1,429,851.79x = 2,144,795.36 × 418,994.47
  4. Step 4: Simplify right side
    1,429,851.79x = 898,657,395,707.68
  5. Step 5: Solve for x
    x = 898,657,395,707.68/1,429,851.79
  6. Step 6: Final answer
    x = 628,496.88

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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.