Home / 1,303,235.42-1,798,513.54-730,254.38

Finding the Fourth Proportional to 1,303,235.42, 1,798,513.54 and 730,254.38

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Solution

The fourth proportional to 1,303,235.42, 1,798,513.54 and 730,254.38 is: 1,007,778.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303,235.42 : 1,798,513.54 = 730,254.38 : x
  2. Step 2: Convert to fraction form
    1,303,235.42/1,798,513.54 = 730,254.38/x
  3. Step 3: Cross multiply
    1,303,235.42x = 1,798,513.54 × 730,254.38
  4. Step 4: Simplify right side
    1,303,235.42x = 1,313,372,379,256.10
  5. Step 5: Solve for x
    x = 1,313,372,379,256.10/1,303,235.42
  6. Step 6: Final answer
    x = 1,007,778.31

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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.