Home / 1,208,703.88-1,812,754.29-355,605.67

Finding the Fourth Proportional to 1,208,703.88, 1,812,754.29 and 355,605.67

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Solution

The fourth proportional to 1,208,703.88, 1,812,754.29 and 355,605.67 is: 533,319.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,703.88 : 1,812,754.29 = 355,605.67 : x
  2. Step 2: Convert to fraction form
    1,208,703.88/1,812,754.29 = 355,605.67/x
  3. Step 3: Cross multiply
    1,208,703.88x = 1,812,754.29 × 355,605.67
  4. Step 4: Simplify right side
    1,208,703.88x = 644,625,699,308.94
  5. Step 5: Solve for x
    x = 644,625,699,308.94/1,208,703.88
  6. Step 6: Final answer
    x = 533,319.79

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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.