Home / 1,384,293-2,076,426.30-437,663.56

Finding the Fourth Proportional to 1,384,293, 2,076,426.30 and 437,663.56

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Solution

The fourth proportional to 1,384,293, 2,076,426.30 and 437,663.56 is: 656,491.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,293 : 2,076,426.30 = 437,663.56 : x
  2. Step 2: Convert to fraction form
    1,384,293/2,076,426.30 = 437,663.56/x
  3. Step 3: Cross multiply
    1,384,293x = 2,076,426.30 × 437,663.56
  4. Step 4: Simplify right side
    1,384,293x = 908,776,126,535.63
  5. Step 5: Solve for x
    x = 908,776,126,535.63/1,384,293
  6. Step 6: Final answer
    x = 656,491.17

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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.