Home / 1,138,885.48-1,571,525.22-629,518.12

Finding the Fourth Proportional to 1,138,885.48, 1,571,525.22 and 629,518.12

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Solution

The fourth proportional to 1,138,885.48, 1,571,525.22 and 629,518.12 is: 868,659.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,885.48 : 1,571,525.22 = 629,518.12 : x
  2. Step 2: Convert to fraction form
    1,138,885.48/1,571,525.22 = 629,518.12/x
  3. Step 3: Cross multiply
    1,138,885.48x = 1,571,525.22 × 629,518.12
  4. Step 4: Simplify right side
    1,138,885.48x = 989,303,602,026.99
  5. Step 5: Solve for x
    x = 989,303,602,026.99/1,138,885.48
  6. Step 6: Final answer
    x = 868,659.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.