Home / 1,331,873.43-1,837,549.52-815,088.41

Finding the Fourth Proportional to 1,331,873.43, 1,837,549.52 and 815,088.41

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Solution

The fourth proportional to 1,331,873.43, 1,837,549.52 and 815,088.41 is: 1,124,555.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,873.43 : 1,837,549.52 = 815,088.41 : x
  2. Step 2: Convert to fraction form
    1,331,873.43/1,837,549.52 = 815,088.41/x
  3. Step 3: Cross multiply
    1,331,873.43x = 1,837,549.52 × 815,088.41
  4. Step 4: Simplify right side
    1,331,873.43x = 1,497,765,312,945.65
  5. Step 5: Solve for x
    x = 1,497,765,312,945.65/1,331,873.43
  6. Step 6: Final answer
    x = 1,124,555.29

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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.