Home / 1,009,966-1,393,782.24-557,286.16

Finding the Fourth Proportional to 1,009,966, 1,393,782.24 and 557,286.16

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Solution

The fourth proportional to 1,009,966, 1,393,782.24 and 557,286.16 is: 769,070.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,966 : 1,393,782.24 = 557,286.16 : x
  2. Step 2: Convert to fraction form
    1,009,966/1,393,782.24 = 557,286.16/x
  3. Step 3: Cross multiply
    1,009,966x = 1,393,782.24 × 557,286.16
  4. Step 4: Simplify right side
    1,009,966x = 776,735,552,405.80
  5. Step 5: Solve for x
    x = 776,735,552,405.80/1,009,966
  6. Step 6: Final answer
    x = 769,070.99

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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.