Home / 1,121,032.51-1,547,029.13-611,734.88

Finding the Fourth Proportional to 1,121,032.51, 1,547,029.13 and 611,734.88

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Solution

The fourth proportional to 1,121,032.51, 1,547,029.13 and 611,734.88 is: 844,196.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,032.51 : 1,547,029.13 = 611,734.88 : x
  2. Step 2: Convert to fraction form
    1,121,032.51/1,547,029.13 = 611,734.88/x
  3. Step 3: Cross multiply
    1,121,032.51x = 1,547,029.13 × 611,734.88
  4. Step 4: Simplify right side
    1,121,032.51x = 946,371,680,005.95
  5. Step 5: Solve for x
    x = 946,371,680,005.95/1,121,032.51
  6. Step 6: Final answer
    x = 844,196.47

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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.