Home / 1,384,499.60-2,076,595.80-387,328.40

Finding the Fourth Proportional to 1,384,499.60, 2,076,595.80 and 387,328.40

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Solution

The fourth proportional to 1,384,499.60, 2,076,595.80 and 387,328.40 is: 580,949.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,499.60 : 2,076,595.80 = 387,328.40 : x
  2. Step 2: Convert to fraction form
    1,384,499.60/2,076,595.80 = 387,328.40/x
  3. Step 3: Cross multiply
    1,384,499.60x = 2,076,595.80 × 387,328.40
  4. Step 4: Simplify right side
    1,384,499.60x = 804,324,528,660.72
  5. Step 5: Solve for x
    x = 804,324,528,660.72/1,384,499.60
  6. Step 6: Final answer
    x = 580,949.63

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1.5x scale

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.