Home / 1,269,345.60-1,904,104.80-370,785.60

Finding the Fourth Proportional to 1,269,345.60, 1,904,104.80 and 370,785.60

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Solution

The fourth proportional to 1,269,345.60, 1,904,104.80 and 370,785.60 is: 556,203.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,345.60 : 1,904,104.80 = 370,785.60 : x
  2. Step 2: Convert to fraction form
    1,269,345.60/1,904,104.80 = 370,785.60/x
  3. Step 3: Cross multiply
    1,269,345.60x = 1,904,104.80 × 370,785.60
  4. Step 4: Simplify right side
    1,269,345.60x = 706,014,640,730.88
  5. Step 5: Solve for x
    x = 706,014,640,730.88/1,269,345.60
  6. Step 6: Final answer
    x = 556,203.64

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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.