Home / 1,176,239.40-1,765,280.70-545,231.40

Finding the Fourth Proportional to 1,176,239.40, 1,765,280.70 and 545,231.40

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Solution

The fourth proportional to 1,176,239.40, 1,765,280.70 and 545,231.40 is: 818,274.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,176,239.40 : 1,765,280.70 = 545,231.40 : x
  2. Step 2: Convert to fraction form
    1,176,239.40/1,765,280.70 = 545,231.40/x
  3. Step 3: Cross multiply
    1,176,239.40x = 1,765,280.70 × 545,231.40
  4. Step 4: Simplify right side
    1,176,239.40x = 962,486,467,453.98
  5. Step 5: Solve for x
    x = 962,486,467,453.98/1,176,239.40
  6. Step 6: Final answer
    x = 818,274.30

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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.