Home / 1,385,708.68-2,076,888.78-674,671.24

Finding the Fourth Proportional to 1,385,708.68, 2,076,888.78 and 674,671.24

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Solution

The fourth proportional to 1,385,708.68, 2,076,888.78 and 674,671.24 is: 1,011,191.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,708.68 : 2,076,888.78 = 674,671.24 : x
  2. Step 2: Convert to fraction form
    1,385,708.68/2,076,888.78 = 674,671.24/x
  3. Step 3: Cross multiply
    1,385,708.68x = 2,076,888.78 × 674,671.24
  4. Step 4: Simplify right side
    1,385,708.68x = 1,401,217,128,544.69
  5. Step 5: Solve for x
    x = 1,401,217,128,544.69/1,385,708.68
  6. Step 6: Final answer
    x = 1,011,191.71

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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.