Home / 1,424,837.46-1,966,216.65-780,246.54

Finding the Fourth Proportional to 1,424,837.46, 1,966,216.65 and 780,246.54

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Solution

The fourth proportional to 1,424,837.46, 1,966,216.65 and 780,246.54 is: 1,076,707.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,837.46 : 1,966,216.65 = 780,246.54 : x
  2. Step 2: Convert to fraction form
    1,424,837.46/1,966,216.65 = 780,246.54/x
  3. Step 3: Cross multiply
    1,424,837.46x = 1,966,216.65 × 780,246.54
  4. Step 4: Simplify right side
    1,424,837.46x = 1,534,133,738,052.89
  5. Step 5: Solve for x
    x = 1,534,133,738,052.89/1,424,837.46
  6. Step 6: Final answer
    x = 1,076,707.89

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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.