Home / 1,357,740-2,036,872.26-516,226.32

Finding the Fourth Proportional to 1,357,740, 2,036,872.26 and 516,226.32

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Solution

The fourth proportional to 1,357,740, 2,036,872.26 and 516,226.32 is: 774,439.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,357,740 : 2,036,872.26 = 516,226.32 : x
  2. Step 2: Convert to fraction form
    1,357,740/2,036,872.26 = 516,226.32/x
  3. Step 3: Cross multiply
    1,357,740x = 2,036,872.26 × 516,226.32
  4. Step 4: Simplify right side
    1,357,740x = 1,051,487,071,089.88
  5. Step 5: Solve for x
    x = 1,051,487,071,089.88/1,357,740
  6. Step 6: Final answer
    x = 774,439.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.