Home / 1,433,924.69-1,978,841.24-780,569.49

Finding the Fourth Proportional to 1,433,924.69, 1,978,841.24 and 780,569.49

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Solution

The fourth proportional to 1,433,924.69, 1,978,841.24 and 780,569.49 is: 1,077,199.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,433,924.69 : 1,978,841.24 = 780,569.49 : x
  2. Step 2: Convert to fraction form
    1,433,924.69/1,978,841.24 = 780,569.49/x
  3. Step 3: Cross multiply
    1,433,924.69x = 1,978,841.24 × 780,569.49
  4. Step 4: Simplify right side
    1,433,924.69x = 1,544,623,093,594.92
  5. Step 5: Solve for x
    x = 1,544,623,093,594.92/1,433,924.69
  6. Step 6: Final answer
    x = 1,077,199.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.