Home / 1,296,014.40-1,944,313.20-763,261.20

Finding the Fourth Proportional to 1,296,014.40, 1,944,313.20 and 763,261.20

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Solution

The fourth proportional to 1,296,014.40, 1,944,313.20 and 763,261.20 is: 1,145,063.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,014.40 : 1,944,313.20 = 763,261.20 : x
  2. Step 2: Convert to fraction form
    1,296,014.40/1,944,313.20 = 763,261.20/x
  3. Step 3: Cross multiply
    1,296,014.40x = 1,944,313.20 × 763,261.20
  4. Step 4: Simplify right side
    1,296,014.40x = 1,484,018,826,207.84
  5. Step 5: Solve for x
    x = 1,484,018,826,207.84/1,296,014.40
  6. Step 6: Final answer
    x = 1,145,063.53

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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.