Home / 1,384,237.95-2,076,344.29-437,608.90

Finding the Fourth Proportional to 1,384,237.95, 2,076,344.29 and 437,608.90

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Solution

The fourth proportional to 1,384,237.95, 2,076,344.29 and 437,608.90 is: 656,409.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,237.95 : 2,076,344.29 = 437,608.90 : x
  2. Step 2: Convert to fraction form
    1,384,237.95/2,076,344.29 = 437,608.90/x
  3. Step 3: Cross multiply
    1,384,237.95x = 2,076,344.29 × 437,608.90
  4. Step 4: Simplify right side
    1,384,237.95x = 908,626,740,768.18
  5. Step 5: Solve for x
    x = 908,626,740,768.18/1,384,237.95
  6. Step 6: Final answer
    x = 656,409.36

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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.