Home / 1,338,530.72-2,008,787.70-740,007.32

Finding the Fourth Proportional to 1,338,530.72, 2,008,787.70 and 740,007.32

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Solution

The fourth proportional to 1,338,530.72, 2,008,787.70 and 740,007.32 is: 1,110,559.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,530.72 : 2,008,787.70 = 740,007.32 : x
  2. Step 2: Convert to fraction form
    1,338,530.72/2,008,787.70 = 740,007.32/x
  3. Step 3: Cross multiply
    1,338,530.72x = 2,008,787.70 × 740,007.32
  4. Step 4: Simplify right side
    1,338,530.72x = 1,486,517,602,325.96
  5. Step 5: Solve for x
    x = 1,486,517,602,325.96/1,338,530.72
  6. Step 6: Final answer
    x = 1,110,559.20

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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.