Home / 1,384,292-2,076,424.80-437,662.56

Finding the Fourth Proportional to 1,384,292, 2,076,424.80 and 437,662.56

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Solution

The fourth proportional to 1,384,292, 2,076,424.80 and 437,662.56 is: 656,489.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,292 : 2,076,424.80 = 437,662.56 : x
  2. Step 2: Convert to fraction form
    1,384,292/2,076,424.80 = 437,662.56/x
  3. Step 3: Cross multiply
    1,384,292x = 2,076,424.80 × 437,662.56
  4. Step 4: Simplify right side
    1,384,292x = 908,773,393,615.49
  5. Step 5: Solve for x
    x = 908,773,393,615.49/1,384,292
  6. Step 6: Final answer
    x = 656,489.67

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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.