Home / 1,121,032.72-1,547,058.06-611,767.96

Finding the Fourth Proportional to 1,121,032.72, 1,547,058.06 and 611,767.96

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Solution

The fourth proportional to 1,121,032.72, 1,547,058.06 and 611,767.96 is: 844,257.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,032.72 : 1,547,058.06 = 611,767.96 : x
  2. Step 2: Convert to fraction form
    1,121,032.72/1,547,058.06 = 611,767.96/x
  3. Step 3: Cross multiply
    1,121,032.72x = 1,547,058.06 × 611,767.96
  4. Step 4: Simplify right side
    1,121,032.72x = 946,440,553,367.76
  5. Step 5: Solve for x
    x = 946,440,553,367.76/1,121,032.72
  6. Step 6: Final answer
    x = 844,257.74

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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.