Home / 1,427,430.60-2,141,131.32-480,794.94

Finding the Fourth Proportional to 1,427,430.60, 2,141,131.32 and 480,794.94

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Solution

The fourth proportional to 1,427,430.60, 2,141,131.32 and 480,794.94 is: 721,187.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,430.60 : 2,141,131.32 = 480,794.94 : x
  2. Step 2: Convert to fraction form
    1,427,430.60/2,141,131.32 = 480,794.94/x
  3. Step 3: Cross multiply
    1,427,430.60x = 2,141,131.32 × 480,794.94
  4. Step 4: Simplify right side
    1,427,430.60x = 1,029,445,104,531.52
  5. Step 5: Solve for x
    x = 1,029,445,104,531.52/1,427,430.60
  6. Step 6: Final answer
    x = 721,187.50

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1.5x scale

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.