Home / 1,145,178.76-1,579,992.30-661,567.45

Finding the Fourth Proportional to 1,145,178.76, 1,579,992.30 and 661,567.45

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Solution

The fourth proportional to 1,145,178.76, 1,579,992.30 and 661,567.45 is: 912,758.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,178.76 : 1,579,992.30 = 661,567.45 : x
  2. Step 2: Convert to fraction form
    1,145,178.76/1,579,992.30 = 661,567.45/x
  3. Step 3: Cross multiply
    1,145,178.76x = 1,579,992.30 × 661,567.45
  4. Step 4: Simplify right side
    1,145,178.76x = 1,045,271,476,930.64
  5. Step 5: Solve for x
    x = 1,045,271,476,930.64/1,145,178.76
  6. Step 6: Final answer
    x = 912,758.35

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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.