Home / 1,638,231.46-2,260,769.92-913,125.22

Finding the Fourth Proportional to 1,638,231.46, 2,260,769.92 and 913,125.22

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Solution

The fourth proportional to 1,638,231.46, 2,260,769.92 and 913,125.22 is: 1,260,118.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,231.46 : 2,260,769.92 = 913,125.22 : x
  2. Step 2: Convert to fraction form
    1,638,231.46/2,260,769.92 = 913,125.22/x
  3. Step 3: Cross multiply
    1,638,231.46x = 2,260,769.92 × 913,125.22
  4. Step 4: Simplify right side
    1,638,231.46x = 2,064,366,030,569.38
  5. Step 5: Solve for x
    x = 2,064,366,030,569.38/1,638,231.46
  6. Step 6: Final answer
    x = 1,260,118.66

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1.5x scale

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.