Home / 1,246,382.42-1,869,825.15-393,587.28

Finding the Fourth Proportional to 1,246,382.42, 1,869,825.15 and 393,587.28

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Solution

The fourth proportional to 1,246,382.42, 1,869,825.15 and 393,587.28 is: 590,460.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,382.42 : 1,869,825.15 = 393,587.28 : x
  2. Step 2: Convert to fraction form
    1,246,382.42/1,869,825.15 = 393,587.28/x
  3. Step 3: Cross multiply
    1,246,382.42x = 1,869,825.15 × 393,587.28
  4. Step 4: Simplify right side
    1,246,382.42x = 735,939,394,864.09
  5. Step 5: Solve for x
    x = 735,939,394,864.09/1,246,382.42
  6. Step 6: Final answer
    x = 590,460.35

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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.