Home / 1,669,875.77-2,304,429.39-905,929.13

Finding the Fourth Proportional to 1,669,875.77, 2,304,429.39 and 905,929.13

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Solution

The fourth proportional to 1,669,875.77, 2,304,429.39 and 905,929.13 is: 1,250,182.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,669,875.77 : 2,304,429.39 = 905,929.13 : x
  2. Step 2: Convert to fraction form
    1,669,875.77/2,304,429.39 = 905,929.13/x
  3. Step 3: Cross multiply
    1,669,875.77x = 2,304,429.39 × 905,929.13
  4. Step 4: Simplify right side
    1,669,875.77x = 2,087,649,700,906.98
  5. Step 5: Solve for x
    x = 2,087,649,700,906.98/1,669,875.77
  6. Step 6: Final answer
    x = 1,250,182.65

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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.