Home / 1,009,956-1,393,768.46-557,276.16

Finding the Fourth Proportional to 1,009,956, 1,393,768.46 and 557,276.16

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Solution

The fourth proportional to 1,009,956, 1,393,768.46 and 557,276.16 is: 769,057.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,956 : 1,393,768.46 = 557,276.16 : x
  2. Step 2: Convert to fraction form
    1,009,956/1,393,768.46 = 557,276.16/x
  3. Step 3: Cross multiply
    1,009,956x = 1,393,768.46 × 557,276.16
  4. Step 4: Simplify right side
    1,009,956x = 776,713,936,711.10
  5. Step 5: Solve for x
    x = 776,713,936,711.10/1,009,956
  6. Step 6: Final answer
    x = 769,057.20

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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.