Home / 1,264,836.94-1,896,980.62-400,339.08

Finding the Fourth Proportional to 1,264,836.94, 1,896,980.62 and 400,339.08

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Solution

The fourth proportional to 1,264,836.94, 1,896,980.62 and 400,339.08 is: 600,421.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,836.94 : 1,896,980.62 = 400,339.08 : x
  2. Step 2: Convert to fraction form
    1,264,836.94/1,896,980.62 = 400,339.08/x
  3. Step 3: Cross multiply
    1,264,836.94x = 1,896,980.62 × 400,339.08
  4. Step 4: Simplify right side
    1,264,836.94x = 759,435,476,188.63
  5. Step 5: Solve for x
    x = 759,435,476,188.63/1,264,836.94
  6. Step 6: Final answer
    x = 600,421.65

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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.