Home / 1,048,523.60-1,570,452.60-861,899.60

Finding the Fourth Proportional to 1,048,523.60, 1,570,452.60 and 861,899.60

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Solution

The fourth proportional to 1,048,523.60, 1,570,452.60 and 861,899.60 is: 1,290,931.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,523.60 : 1,570,452.60 = 861,899.60 : x
  2. Step 2: Convert to fraction form
    1,048,523.60/1,570,452.60 = 861,899.60/x
  3. Step 3: Cross multiply
    1,048,523.60x = 1,570,452.60 × 861,899.60
  4. Step 4: Simplify right side
    1,048,523.60x = 1,353,572,467,758.96
  5. Step 5: Solve for x
    x = 1,353,572,467,758.96/1,048,523.60
  6. Step 6: Final answer
    x = 1,290,931.81

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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.