Home / 1,384,236.95-2,076,342.80-437,607.90

Finding the Fourth Proportional to 1,384,236.95, 2,076,342.80 and 437,607.90

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Solution

The fourth proportional to 1,384,236.95, 2,076,342.80 and 437,607.90 is: 656,407.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,236.95 : 2,076,342.80 = 437,607.90 : x
  2. Step 2: Convert to fraction form
    1,384,236.95/2,076,342.80 = 437,607.90/x
  3. Step 3: Cross multiply
    1,384,236.95x = 2,076,342.80 × 437,607.90
  4. Step 4: Simplify right side
    1,384,236.95x = 908,624,010,200.08
  5. Step 5: Solve for x
    x = 908,624,010,200.08/1,384,236.95
  6. Step 6: Final answer
    x = 656,407.86

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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.