Home / 1,680,039.41-2,520,054.32-417,867.03

Finding the Fourth Proportional to 1,680,039.41, 2,520,054.32 and 417,867.03

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Solution

The fourth proportional to 1,680,039.41, 2,520,054.32 and 417,867.03 is: 626,799.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,039.41 : 2,520,054.32 = 417,867.03 : x
  2. Step 2: Convert to fraction form
    1,680,039.41/2,520,054.32 = 417,867.03/x
  3. Step 3: Cross multiply
    1,680,039.41x = 2,520,054.32 × 417,867.03
  4. Step 4: Simplify right side
    1,680,039.41x = 1,053,047,612,047.73
  5. Step 5: Solve for x
    x = 1,053,047,612,047.73/1,680,039.41
  6. Step 6: Final answer
    x = 626,799.35

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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.