Home / 1,048,557.60-1,570,503.60-861,933.60

Finding the Fourth Proportional to 1,048,557.60, 1,570,503.60 and 861,933.60

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Solution

The fourth proportional to 1,048,557.60, 1,570,503.60 and 861,933.60 is: 1,290,982.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,557.60 : 1,570,503.60 = 861,933.60 : x
  2. Step 2: Convert to fraction form
    1,048,557.60/1,570,503.60 = 861,933.60/x
  3. Step 3: Cross multiply
    1,048,557.60x = 1,570,503.60 × 861,933.60
  4. Step 4: Simplify right side
    1,048,557.60x = 1,353,669,821,760.96
  5. Step 5: Solve for x
    x = 1,353,669,821,760.96/1,048,557.60
  6. Step 6: Final answer
    x = 1,290,982.80

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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.