Home / 1,257,367.29-1,735,205.07-890,501.67

Finding the Fourth Proportional to 1,257,367.29, 1,735,205.07 and 890,501.67

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Solution

The fourth proportional to 1,257,367.29, 1,735,205.07 and 890,501.67 is: 1,228,919.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,367.29 : 1,735,205.07 = 890,501.67 : x
  2. Step 2: Convert to fraction form
    1,257,367.29/1,735,205.07 = 890,501.67/x
  3. Step 3: Cross multiply
    1,257,367.29x = 1,735,205.07 × 890,501.67
  4. Step 4: Simplify right side
    1,257,367.29x = 1,545,203,012,627.47
  5. Step 5: Solve for x
    x = 1,545,203,012,627.47/1,257,367.29
  6. Step 6: Final answer
    x = 1,228,919.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.