Home / 1,121,091.34-1,547,138.92-611,826.46

Finding the Fourth Proportional to 1,121,091.34, 1,547,138.92 and 611,826.46

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Solution

The fourth proportional to 1,121,091.34, 1,547,138.92 and 611,826.46 is: 844,338.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,091.34 : 1,547,138.92 = 611,826.46 : x
  2. Step 2: Convert to fraction form
    1,121,091.34/1,547,138.92 = 611,826.46/x
  3. Step 3: Cross multiply
    1,121,091.34x = 1,547,138.92 × 611,826.46
  4. Step 4: Simplify right side
    1,121,091.34x = 946,580,528,551.82
  5. Step 5: Solve for x
    x = 946,580,528,551.82/1,121,091.34
  6. Step 6: Final answer
    x = 844,338.45

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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.