Home / 1,380,360.60-2,070,611.10-433,740.60

Finding the Fourth Proportional to 1,380,360.60, 2,070,611.10 and 433,740.60

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Solution

The fourth proportional to 1,380,360.60, 2,070,611.10 and 433,740.60 is: 650,632.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,360.60 : 2,070,611.10 = 433,740.60 : x
  2. Step 2: Convert to fraction form
    1,380,360.60/2,070,611.10 = 433,740.60/x
  3. Step 3: Cross multiply
    1,380,360.60x = 2,070,611.10 × 433,740.60
  4. Step 4: Simplify right side
    1,380,360.60x = 898,108,100,880.66
  5. Step 5: Solve for x
    x = 898,108,100,880.66/1,380,360.60
  6. Step 6: Final answer
    x = 650,632.96

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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.