Home / 1,581,379.39-2,372,214.91-516,427.03

Finding the Fourth Proportional to 1,581,379.39, 2,372,214.91 and 516,427.03

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Solution

The fourth proportional to 1,581,379.39, 2,372,214.91 and 516,427.03 is: 774,688.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,379.39 : 2,372,214.91 = 516,427.03 : x
  2. Step 2: Convert to fraction form
    1,581,379.39/2,372,214.91 = 516,427.03/x
  3. Step 3: Cross multiply
    1,581,379.39x = 2,372,214.91 × 516,427.03
  4. Step 4: Simplify right side
    1,581,379.39x = 1,225,075,900,493.02
  5. Step 5: Solve for x
    x = 1,225,075,900,493.02/1,581,379.39
  6. Step 6: Final answer
    x = 774,688.17

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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.