Home / 1,525,726.40-2,289,626.40-851,806.40

Finding the Fourth Proportional to 1,525,726.40, 2,289,626.40 and 851,806.40

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Solution

The fourth proportional to 1,525,726.40, 2,289,626.40 and 851,806.40 is: 1,278,288.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,525,726.40 : 2,289,626.40 = 851,806.40 : x
  2. Step 2: Convert to fraction form
    1,525,726.40/2,289,626.40 = 851,806.40/x
  3. Step 3: Cross multiply
    1,525,726.40x = 2,289,626.40 × 851,806.40
  4. Step 4: Simplify right side
    1,525,726.40x = 1,950,318,421,128.96
  5. Step 5: Solve for x
    x = 1,950,318,421,128.96/1,525,726.40
  6. Step 6: Final answer
    x = 1,278,288.44

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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.