Home / 1,384,956.40-2,076,916.20-486,050.80

Finding the Fourth Proportional to 1,384,956.40, 2,076,916.20 and 486,050.80

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Solution

The fourth proportional to 1,384,956.40, 2,076,916.20 and 486,050.80 is: 728,894.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,956.40 : 2,076,916.20 = 486,050.80 : x
  2. Step 2: Convert to fraction form
    1,384,956.40/2,076,916.20 = 486,050.80/x
  3. Step 3: Cross multiply
    1,384,956.40x = 2,076,916.20 × 486,050.80
  4. Step 4: Simplify right side
    1,384,956.40x = 1,009,486,780,542.96
  5. Step 5: Solve for x
    x = 1,009,486,780,542.96/1,384,956.40
  6. Step 6: Final answer
    x = 728,894.27

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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.