Home / 1,472,012.72-2,208,267.84-460,935.26

Finding the Fourth Proportional to 1,472,012.72, 2,208,267.84 and 460,935.26

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Solution

The fourth proportional to 1,472,012.72, 2,208,267.84 and 460,935.26 is: 691,480.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472,012.72 : 2,208,267.84 = 460,935.26 : x
  2. Step 2: Convert to fraction form
    1,472,012.72/2,208,267.84 = 460,935.26/x
  3. Step 3: Cross multiply
    1,472,012.72x = 2,208,267.84 × 460,935.26
  4. Step 4: Simplify right side
    1,472,012.72x = 1,017,868,510,980.04
  5. Step 5: Solve for x
    x = 1,017,868,510,980.04/1,472,012.72
  6. Step 6: Final answer
    x = 691,480.78

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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.