Home / 1,048,007.20-1,572,010.80-838,055.20

Finding the Fourth Proportional to 1,048,007.20, 1,572,010.80 and 838,055.20

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Solution

The fourth proportional to 1,048,007.20, 1,572,010.80 and 838,055.20 is: 1,257,082.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,007.20 : 1,572,010.80 = 838,055.20 : x
  2. Step 2: Convert to fraction form
    1,048,007.20/1,572,010.80 = 838,055.20/x
  3. Step 3: Cross multiply
    1,048,007.20x = 1,572,010.80 × 838,055.20
  4. Step 4: Simplify right side
    1,048,007.20x = 1,317,431,825,396.16
  5. Step 5: Solve for x
    x = 1,317,431,825,396.16/1,048,007.20
  6. Step 6: Final answer
    x = 1,257,082.80

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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.