Home / 1,384,786.80-2,077,374.60-438,058.80

Finding the Fourth Proportional to 1,384,786.80, 2,077,374.60 and 438,058.80

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Solution

The fourth proportional to 1,384,786.80, 2,077,374.60 and 438,058.80 is: 657,149.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,786.80 : 2,077,374.60 = 438,058.80 : x
  2. Step 2: Convert to fraction form
    1,384,786.80/2,077,374.60 = 438,058.80/x
  3. Step 3: Cross multiply
    1,384,786.80x = 2,077,374.60 × 438,058.80
  4. Step 4: Simplify right side
    1,384,786.80x = 910,012,224,426.48
  5. Step 5: Solve for x
    x = 910,012,224,426.48/1,384,786.80
  6. Step 6: Final answer
    x = 657,149.70

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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.