Home / 1,259,487.94-1,889,240.40-460,440.76

Finding the Fourth Proportional to 1,259,487.94, 1,889,240.40 and 460,440.76

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Solution

The fourth proportional to 1,259,487.94, 1,889,240.40 and 460,440.76 is: 690,664.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,487.94 : 1,889,240.40 = 460,440.76 : x
  2. Step 2: Convert to fraction form
    1,259,487.94/1,889,240.40 = 460,440.76/x
  3. Step 3: Cross multiply
    1,259,487.94x = 1,889,240.40 × 460,440.76
  4. Step 4: Simplify right side
    1,259,487.94x = 869,883,285,598.70
  5. Step 5: Solve for x
    x = 869,883,285,598.70/1,259,487.94
  6. Step 6: Final answer
    x = 690,664.24

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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.