Home / 1,490,164.56-2,235,580.20-543,535.32

Finding the Fourth Proportional to 1,490,164.56, 2,235,580.20 and 543,535.32

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Solution

The fourth proportional to 1,490,164.56, 2,235,580.20 and 543,535.32 is: 815,424.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,164.56 : 2,235,580.20 = 543,535.32 : x
  2. Step 2: Convert to fraction form
    1,490,164.56/2,235,580.20 = 543,535.32/x
  3. Step 3: Cross multiply
    1,490,164.56x = 2,235,580.20 × 543,535.32
  4. Step 4: Simplify right side
    1,490,164.56x = 1,215,116,799,392.66
  5. Step 5: Solve for x
    x = 1,215,116,799,392.66/1,490,164.56
  6. Step 6: Final answer
    x = 815,424.57

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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.