Home / 1,424,468.46-1,965,765.54-779,888.49

Finding the Fourth Proportional to 1,424,468.46, 1,965,765.54 and 779,888.49

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Solution

The fourth proportional to 1,424,468.46, 1,965,765.54 and 779,888.49 is: 1,076,245.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,468.46 : 1,965,765.54 = 779,888.49 : x
  2. Step 2: Convert to fraction form
    1,424,468.46/1,965,765.54 = 779,888.49/x
  3. Step 3: Cross multiply
    1,424,468.46x = 1,965,765.54 × 779,888.49
  4. Step 4: Simplify right side
    1,424,468.46x = 1,533,077,918,684.63
  5. Step 5: Solve for x
    x = 1,533,077,918,684.63/1,424,468.46
  6. Step 6: Final answer
    x = 1,076,245.60

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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.