Home / 1,042,355.29-1,438,383.64-583,392.69

Finding the Fourth Proportional to 1,042,355.29, 1,438,383.64 and 583,392.69

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Solution

The fourth proportional to 1,042,355.29, 1,438,383.64 and 583,392.69 is: 805,044.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,355.29 : 1,438,383.64 = 583,392.69 : x
  2. Step 2: Convert to fraction form
    1,042,355.29/1,438,383.64 = 583,392.69/x
  3. Step 3: Cross multiply
    1,042,355.29x = 1,438,383.64 × 583,392.69
  4. Step 4: Simplify right side
    1,042,355.29x = 839,142,490,882.71
  5. Step 5: Solve for x
    x = 839,142,490,882.71/1,042,355.29
  6. Step 6: Final answer
    x = 805,044.59

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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.