Home / 1,525,739.40-2,289,645.90-851,819.40

Finding the Fourth Proportional to 1,525,739.40, 2,289,645.90 and 851,819.40

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Solution

The fourth proportional to 1,525,739.40, 2,289,645.90 and 851,819.40 is: 1,278,307.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,525,739.40 : 2,289,645.90 = 851,819.40 : x
  2. Step 2: Convert to fraction form
    1,525,739.40/2,289,645.90 = 851,819.40/x
  3. Step 3: Cross multiply
    1,525,739.40x = 2,289,645.90 × 851,819.40
  4. Step 4: Simplify right side
    1,525,739.40x = 1,950,364,796,750.46
  5. Step 5: Solve for x
    x = 1,950,364,796,750.46/1,525,739.40
  6. Step 6: Final answer
    x = 1,278,307.94

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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.