Home / 1,490,016.98-2,235,358.64-543,387.70

Finding the Fourth Proportional to 1,490,016.98, 2,235,358.64 and 543,387.70

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Solution

The fourth proportional to 1,490,016.98, 2,235,358.64 and 543,387.70 is: 815,203.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,016.98 : 2,235,358.64 = 543,387.70 : x
  2. Step 2: Convert to fraction form
    1,490,016.98/2,235,358.64 = 543,387.70/x
  3. Step 3: Cross multiply
    1,490,016.98x = 2,235,358.64 × 543,387.70
  4. Step 4: Simplify right side
    1,490,016.98x = 1,214,666,378,887.93
  5. Step 5: Solve for x
    x = 1,214,666,378,887.93/1,490,016.98
  6. Step 6: Final answer
    x = 815,203.05

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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.