Home / 976,264.32-1,465,431.66-864,669

Finding the Fourth Proportional to 976,264.32, 1,465,431.66 and 864,669

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Solution

The fourth proportional to 976,264.32, 1,465,431.66 and 864,669 is: 1,297,920.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,264.32 : 1,465,431.66 = 864,669 : x
  2. Step 2: Convert to fraction form
    976,264.32/1,465,431.66 = 864,669/x
  3. Step 3: Cross multiply
    976,264.32x = 1,465,431.66 × 864,669
  4. Step 4: Simplify right side
    976,264.32x = 1,267,113,328,020.54
  5. Step 5: Solve for x
    x = 1,267,113,328,020.54/976,264.32
  6. Step 6: Final answer
    x = 1,297,920.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.