Home / 1,224,830.40-1,837,303.20-383,409.60

Finding the Fourth Proportional to 1,224,830.40, 1,837,303.20 and 383,409.60

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Solution

The fourth proportional to 1,224,830.40, 1,837,303.20 and 383,409.60 is: 575,132.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,830.40 : 1,837,303.20 = 383,409.60 : x
  2. Step 2: Convert to fraction form
    1,224,830.40/1,837,303.20 = 383,409.60/x
  3. Step 3: Cross multiply
    1,224,830.40x = 1,837,303.20 × 383,409.60
  4. Step 4: Simplify right side
    1,224,830.40x = 704,439,684,990.72
  5. Step 5: Solve for x
    x = 704,439,684,990.72/1,224,830.40
  6. Step 6: Final answer
    x = 575,132.43

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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.