Home / 1,429,226.82-1,972,383.75-784,696.05

Finding the Fourth Proportional to 1,429,226.82, 1,972,383.75 and 784,696.05

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Solution

The fourth proportional to 1,429,226.82, 1,972,383.75 and 784,696.05 is: 1,082,908.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,226.82 : 1,972,383.75 = 784,696.05 : x
  2. Step 2: Convert to fraction form
    1,429,226.82/1,972,383.75 = 784,696.05/x
  3. Step 3: Cross multiply
    1,429,226.82x = 1,972,383.75 × 784,696.05
  4. Step 4: Simplify right side
    1,429,226.82x = 1,547,721,737,709.19
  5. Step 5: Solve for x
    x = 1,547,721,737,709.19/1,429,226.82
  6. Step 6: Final answer
    x = 1,082,908.41

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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.