Home / 1,400,903.40-2,102,011.20-727,744.80

Finding the Fourth Proportional to 1,400,903.40, 2,102,011.20 and 727,744.80

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Solution

The fourth proportional to 1,400,903.40, 2,102,011.20 and 727,744.80 is: 1,091,958.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,400,903.40 : 2,102,011.20 = 727,744.80 : x
  2. Step 2: Convert to fraction form
    1,400,903.40/2,102,011.20 = 727,744.80/x
  3. Step 3: Cross multiply
    1,400,903.40x = 2,102,011.20 × 727,744.80
  4. Step 4: Simplify right side
    1,400,903.40x = 1,529,727,720,341.76
  5. Step 5: Solve for x
    x = 1,529,727,720,341.76/1,400,903.40
  6. Step 6: Final answer
    x = 1,091,958.03

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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.