Home / 1,409,740.77-1,945,444.14-765,160.95

Finding the Fourth Proportional to 1,409,740.77, 1,945,444.14 and 765,160.95

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Solution

The fourth proportional to 1,409,740.77, 1,945,444.14 and 765,160.95 is: 1,055,923.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,740.77 : 1,945,444.14 = 765,160.95 : x
  2. Step 2: Convert to fraction form
    1,409,740.77/1,945,444.14 = 765,160.95/x
  3. Step 3: Cross multiply
    1,409,740.77x = 1,945,444.14 × 765,160.95
  4. Step 4: Simplify right side
    1,409,740.77x = 1,488,577,886,334.33
  5. Step 5: Solve for x
    x = 1,488,577,886,334.33/1,409,740.77
  6. Step 6: Final answer
    x = 1,055,923.13

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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.