Home / 1,235,783.70-1,854,769.05-729,711.90

Finding the Fourth Proportional to 1,235,783.70, 1,854,769.05 and 729,711.90

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Solution

The fourth proportional to 1,235,783.70, 1,854,769.05 and 729,711.90 is: 1,095,213.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,783.70 : 1,854,769.05 = 729,711.90 : x
  2. Step 2: Convert to fraction form
    1,235,783.70/1,854,769.05 = 729,711.90/x
  3. Step 3: Cross multiply
    1,235,783.70x = 1,854,769.05 × 729,711.90
  4. Step 4: Simplify right side
    1,235,783.70x = 1,353,447,047,536.70
  5. Step 5: Solve for x
    x = 1,353,447,047,536.70/1,235,783.70
  6. Step 6: Final answer
    x = 1,095,213.55

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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.