Home / 1,477,207.20-2,214,255.60-578,301.60

Finding the Fourth Proportional to 1,477,207.20, 2,214,255.60 and 578,301.60

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Solution

The fourth proportional to 1,477,207.20, 2,214,255.60 and 578,301.60 is: 866,843.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,477,207.20 : 2,214,255.60 = 578,301.60 : x
  2. Step 2: Convert to fraction form
    1,477,207.20/2,214,255.60 = 578,301.60/x
  3. Step 3: Cross multiply
    1,477,207.20x = 2,214,255.60 × 578,301.60
  4. Step 4: Simplify right side
    1,477,207.20x = 1,280,507,556,288.96
  5. Step 5: Solve for x
    x = 1,280,507,556,288.96/1,477,207.20
  6. Step 6: Final answer
    x = 866,843.57

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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.