Home / 1,453,387.80-2,005,648.11-808,801.95

Finding the Fourth Proportional to 1,453,387.80, 2,005,648.11 and 808,801.95

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Solution

The fourth proportional to 1,453,387.80, 2,005,648.11 and 808,801.95 is: 1,116,131.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,453,387.80 : 2,005,648.11 = 808,801.95 : x
  2. Step 2: Convert to fraction form
    1,453,387.80/2,005,648.11 = 808,801.95/x
  3. Step 3: Cross multiply
    1,453,387.80x = 2,005,648.11 × 808,801.95
  4. Step 4: Simplify right side
    1,453,387.80x = 1,622,172,102,381.81
  5. Step 5: Solve for x
    x = 1,622,172,102,381.81/1,453,387.80
  6. Step 6: Final answer
    x = 1,116,131.64

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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.