Home / 1,422,072.08-1,962,490.40-849,005.20

Finding the Fourth Proportional to 1,422,072.08, 1,962,490.40 and 849,005.20

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Solution

The fourth proportional to 1,422,072.08, 1,962,490.40 and 849,005.20 is: 1,171,645.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,072.08 : 1,962,490.40 = 849,005.20 : x
  2. Step 2: Convert to fraction form
    1,422,072.08/1,962,490.40 = 849,005.20/x
  3. Step 3: Cross multiply
    1,422,072.08x = 1,962,490.40 × 849,005.20
  4. Step 4: Simplify right side
    1,422,072.08x = 1,666,164,554,550.08
  5. Step 5: Solve for x
    x = 1,666,164,554,550.08/1,422,072.08
  6. Step 6: Final answer
    x = 1,171,645.64

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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.