Home / 1,490,442.53-2,235,993.66-543,810.51

Finding the Fourth Proportional to 1,490,442.53, 2,235,993.66 and 543,810.51

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Solution

The fourth proportional to 1,490,442.53, 2,235,993.66 and 543,810.51 is: 815,836.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,442.53 : 2,235,993.66 = 543,810.51 : x
  2. Step 2: Convert to fraction form
    1,490,442.53/2,235,993.66 = 543,810.51/x
  3. Step 3: Cross multiply
    1,490,442.53x = 2,235,993.66 × 543,810.51
  4. Step 4: Simplify right side
    1,490,442.53x = 1,215,956,852,601.37
  5. Step 5: Solve for x
    x = 1,215,956,852,601.37/1,490,442.53
  6. Step 6: Final answer
    x = 815,836.12

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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.