Home / 1,315,508.80-1,973,040.64-368,661.60

Finding the Fourth Proportional to 1,315,508.80, 1,973,040.64 and 368,661.60

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Solution

The fourth proportional to 1,315,508.80, 1,973,040.64 and 368,661.60 is: 552,930.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,508.80 : 1,973,040.64 = 368,661.60 : x
  2. Step 2: Convert to fraction form
    1,315,508.80/1,973,040.64 = 368,661.60/x
  3. Step 3: Cross multiply
    1,315,508.80x = 1,973,040.64 × 368,661.60
  4. Step 4: Simplify right side
    1,315,508.80x = 727,384,319,207.42
  5. Step 5: Solve for x
    x = 727,384,319,207.42/1,315,508.80
  6. Step 6: Final answer
    x = 552,930.03

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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.