Home / 980,726.65-1,471,087.81-261,068.51

Finding the Fourth Proportional to 980,726.65, 1,471,087.81 and 261,068.51

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Solution

The fourth proportional to 980,726.65, 1,471,087.81 and 261,068.51 is: 391,602.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,726.65 : 1,471,087.81 = 261,068.51 : x
  2. Step 2: Convert to fraction form
    980,726.65/1,471,087.81 = 261,068.51/x
  3. Step 3: Cross multiply
    980,726.65x = 1,471,087.81 × 261,068.51
  4. Step 4: Simplify right side
    980,726.65x = 384,054,708,478.78
  5. Step 5: Solve for x
    x = 384,054,708,478.78/980,726.65
  6. Step 6: Final answer
    x = 391,602.20

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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.