Home / 1,858,555-2,565,706.89-1,246,483.90

Finding the Fourth Proportional to 1,858,555, 2,565,706.89 and 1,246,483.90

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Solution

The fourth proportional to 1,858,555, 2,565,706.89 and 1,246,483.90 is: 1,720,752.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,858,555 : 2,565,706.89 = 1,246,483.90 : x
  2. Step 2: Convert to fraction form
    1,858,555/2,565,706.89 = 1,246,483.90/x
  3. Step 3: Cross multiply
    1,858,555x = 2,565,706.89 × 1,246,483.90
  4. Step 4: Simplify right side
    1,858,555x = 3,198,112,330,504.07
  5. Step 5: Solve for x
    x = 3,198,112,330,504.07/1,858,555
  6. Step 6: Final answer
    x = 1,720,752.05

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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.