Home / 1,384,305.40-2,076,069.30-437,966.20

Finding the Fourth Proportional to 1,384,305.40, 2,076,069.30 and 437,966.20

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Solution

The fourth proportional to 1,384,305.40, 2,076,069.30 and 437,966.20 is: 656,826.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,305.40 : 2,076,069.30 = 437,966.20 : x
  2. Step 2: Convert to fraction form
    1,384,305.40/2,076,069.30 = 437,966.20/x
  3. Step 3: Cross multiply
    1,384,305.40x = 2,076,069.30 × 437,966.20
  4. Step 4: Simplify right side
    1,384,305.40x = 909,248,182,257.66
  5. Step 5: Solve for x
    x = 909,248,182,257.66/1,384,305.40
  6. Step 6: Final answer
    x = 656,826.29

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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.