Home / 1,225,012.32-1,837,518.12-383,629.68

Finding the Fourth Proportional to 1,225,012.32, 1,837,518.12 and 383,629.68

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Solution

The fourth proportional to 1,225,012.32, 1,837,518.12 and 383,629.68 is: 575,444.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,012.32 : 1,837,518.12 = 383,629.68 : x
  2. Step 2: Convert to fraction form
    1,225,012.32/1,837,518.12 = 383,629.68/x
  3. Step 3: Cross multiply
    1,225,012.32x = 1,837,518.12 × 383,629.68
  4. Step 4: Simplify right side
    1,225,012.32x = 704,926,488,369.80
  5. Step 5: Solve for x
    x = 704,926,488,369.80/1,225,012.32
  6. Step 6: Final answer
    x = 575,444.41

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1.5x scale

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.