Home / 1,056,287.60-1,584,897.96-426,431.60

Finding the Fourth Proportional to 1,056,287.60, 1,584,897.96 and 426,431.60

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Solution

The fourth proportional to 1,056,287.60, 1,584,897.96 and 426,431.60 is: 639,835.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,056,287.60 : 1,584,897.96 = 426,431.60 : x
  2. Step 2: Convert to fraction form
    1,056,287.60/1,584,897.96 = 426,431.60/x
  3. Step 3: Cross multiply
    1,056,287.60x = 1,584,897.96 × 426,431.60
  4. Step 4: Simplify right side
    1,056,287.60x = 675,850,572,919.54
  5. Step 5: Solve for x
    x = 675,850,572,919.54/1,056,287.60
  6. Step 6: Final answer
    x = 639,835.75

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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.