Home / 1,409,681.46-1,945,310.94-765,088.68

Finding the Fourth Proportional to 1,409,681.46, 1,945,310.94 and 765,088.68

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Solution

The fourth proportional to 1,409,681.46, 1,945,310.94 and 765,088.68 is: 1,055,795.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,681.46 : 1,945,310.94 = 765,088.68 : x
  2. Step 2: Convert to fraction form
    1,409,681.46/1,945,310.94 = 765,088.68/x
  3. Step 3: Cross multiply
    1,409,681.46x = 1,945,310.94 × 765,088.68
  4. Step 4: Simplify right side
    1,409,681.46x = 1,488,335,379,274.16
  5. Step 5: Solve for x
    x = 1,488,335,379,274.16/1,409,681.46
  6. Step 6: Final answer
    x = 1,055,795.53

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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.