Home / 1,308,765.03-1,963,172.12-410,186.85

Finding the Fourth Proportional to 1,308,765.03, 1,963,172.12 and 410,186.85

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Solution

The fourth proportional to 1,308,765.03, 1,963,172.12 and 410,186.85 is: 615,287.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,765.03 : 1,963,172.12 = 410,186.85 : x
  2. Step 2: Convert to fraction form
    1,308,765.03/1,963,172.12 = 410,186.85/x
  3. Step 3: Cross multiply
    1,308,765.03x = 1,963,172.12 × 410,186.85
  4. Step 4: Simplify right side
    1,308,765.03x = 805,267,385,859.69
  5. Step 5: Solve for x
    x = 805,267,385,859.69/1,308,765.03
  6. Step 6: Final answer
    x = 615,287.98

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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.