Home / 1,424,835.46-1,966,213.88-780,244.55

Finding the Fourth Proportional to 1,424,835.46, 1,966,213.88 and 780,244.55

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Solution

The fourth proportional to 1,424,835.46, 1,966,213.88 and 780,244.55 is: 1,076,705.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,835.46 : 1,966,213.88 = 780,244.55 : x
  2. Step 2: Convert to fraction form
    1,424,835.46/1,966,213.88 = 780,244.55/x
  3. Step 3: Cross multiply
    1,424,835.46x = 1,966,213.88 × 780,244.55
  4. Step 4: Simplify right side
    1,424,835.46x = 1,534,127,664,004.35
  5. Step 5: Solve for x
    x = 1,534,127,664,004.35/1,424,835.46
  6. Step 6: Final answer
    x = 1,076,705.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.