Home / 1,384,226.20-2,076,339.30-486,681.40

Finding the Fourth Proportional to 1,384,226.20, 2,076,339.30 and 486,681.40

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Solution

The fourth proportional to 1,384,226.20, 2,076,339.30 and 486,681.40 is: 730,022.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,226.20 : 2,076,339.30 = 486,681.40 : x
  2. Step 2: Convert to fraction form
    1,384,226.20/2,076,339.30 = 486,681.40/x
  3. Step 3: Cross multiply
    1,384,226.20x = 2,076,339.30 × 486,681.40
  4. Step 4: Simplify right side
    1,384,226.20x = 1,010,515,717,399.02
  5. Step 5: Solve for x
    x = 1,010,515,717,399.02/1,384,226.20
  6. Step 6: Final answer
    x = 730,022.10

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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.