Home / 1,424,845.74-1,966,228.02-780,254.82

Finding the Fourth Proportional to 1,424,845.74, 1,966,228.02 and 780,254.82

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Solution

The fourth proportional to 1,424,845.74, 1,966,228.02 and 780,254.82 is: 1,076,719.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,845.74 : 1,966,228.02 = 780,254.82 : x
  2. Step 2: Convert to fraction form
    1,424,845.74/1,966,228.02 = 780,254.82/x
  3. Step 3: Cross multiply
    1,424,845.74x = 1,966,228.02 × 780,254.82
  4. Step 4: Simplify right side
    1,424,845.74x = 1,534,158,889,824.06
  5. Step 5: Solve for x
    x = 1,534,158,889,824.06/1,424,845.74
  6. Step 6: Final answer
    x = 1,076,719.29

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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.