Home / 1,056,303.60-1,584,921.96-426,447.60

Finding the Fourth Proportional to 1,056,303.60, 1,584,921.96 and 426,447.60

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Solution

The fourth proportional to 1,056,303.60, 1,584,921.96 and 426,447.60 is: 639,859.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,056,303.60 : 1,584,921.96 = 426,447.60 : x
  2. Step 2: Convert to fraction form
    1,056,303.60/1,584,921.96 = 426,447.60/x
  3. Step 3: Cross multiply
    1,056,303.60x = 1,584,921.96 × 426,447.60
  4. Step 4: Simplify right side
    1,056,303.60x = 675,886,166,029.30
  5. Step 5: Solve for x
    x = 675,886,166,029.30/1,056,303.60
  6. Step 6: Final answer
    x = 639,859.76

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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.