Home / 1,156,195-1,595,549.10-646,995.79

Finding the Fourth Proportional to 1,156,195, 1,595,549.10 and 646,995.79

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Solution

The fourth proportional to 1,156,195, 1,595,549.10 and 646,995.79 is: 892,854.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156,195 : 1,595,549.10 = 646,995.79 : x
  2. Step 2: Convert to fraction form
    1,156,195/1,595,549.10 = 646,995.79/x
  3. Step 3: Cross multiply
    1,156,195x = 1,595,549.10 × 646,995.79
  4. Step 4: Simplify right side
    1,156,195x = 1,032,313,550,438.29
  5. Step 5: Solve for x
    x = 1,032,313,550,438.29/1,156,195
  6. Step 6: Final answer
    x = 892,854.19

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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.