Home / 1,428,725.84-2,143,054.20-363,770.32

Finding the Fourth Proportional to 1,428,725.84, 2,143,054.20 and 363,770.32

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Solution

The fourth proportional to 1,428,725.84, 2,143,054.20 and 363,770.32 is: 545,646.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,725.84 : 2,143,054.20 = 363,770.32 : x
  2. Step 2: Convert to fraction form
    1,428,725.84/2,143,054.20 = 363,770.32/x
  3. Step 3: Cross multiply
    1,428,725.84x = 2,143,054.20 × 363,770.32
  4. Step 4: Simplify right side
    1,428,725.84x = 779,579,512,111.34
  5. Step 5: Solve for x
    x = 779,579,512,111.34/1,428,725.84
  6. Step 6: Final answer
    x = 545,646.68

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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.