Home / 1,224,837.40-1,837,313.70-383,416.60

Finding the Fourth Proportional to 1,224,837.40, 1,837,313.70 and 383,416.60

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Solution

The fourth proportional to 1,224,837.40, 1,837,313.70 and 383,416.60 is: 575,142.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,837.40 : 1,837,313.70 = 383,416.60 : x
  2. Step 2: Convert to fraction form
    1,224,837.40/1,837,313.70 = 383,416.60/x
  3. Step 3: Cross multiply
    1,224,837.40x = 1,837,313.70 × 383,416.60
  4. Step 4: Simplify right side
    1,224,837.40x = 704,456,571,987.42
  5. Step 5: Solve for x
    x = 704,456,571,987.42/1,224,837.40
  6. Step 6: Final answer
    x = 575,142.93

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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.