Home / 1,539,419.60-2,309,129.40-474,366.80

Finding the Fourth Proportional to 1,539,419.60, 2,309,129.40 and 474,366.80

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Solution

The fourth proportional to 1,539,419.60, 2,309,129.40 and 474,366.80 is: 711,550.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,419.60 : 2,309,129.40 = 474,366.80 : x
  2. Step 2: Convert to fraction form
    1,539,419.60/2,309,129.40 = 474,366.80/x
  3. Step 3: Cross multiply
    1,539,419.60x = 2,309,129.40 × 474,366.80
  4. Step 4: Simplify right side
    1,539,419.60x = 1,095,374,324,263.92
  5. Step 5: Solve for x
    x = 1,095,374,324,263.92/1,539,419.60
  6. Step 6: Final answer
    x = 711,550.20

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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.