Home / 1,424,787.48-1,966,216.94-780,267.16

Finding the Fourth Proportional to 1,424,787.48, 1,966,216.94 and 780,267.16

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Solution

The fourth proportional to 1,424,787.48, 1,966,216.94 and 780,267.16 is: 1,076,774.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,787.48 : 1,966,216.94 = 780,267.16 : x
  2. Step 2: Convert to fraction form
    1,424,787.48/1,966,216.94 = 780,267.16/x
  3. Step 3: Cross multiply
    1,424,787.48x = 1,966,216.94 × 780,267.16
  4. Step 4: Simplify right side
    1,424,787.48x = 1,534,174,507,717.69
  5. Step 5: Solve for x
    x = 1,534,174,507,717.69/1,424,787.48
  6. Step 6: Final answer
    x = 1,076,774.28

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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.