Home / 1,448,710.40-2,172,968.40-383,729.60

Finding the Fourth Proportional to 1,448,710.40, 2,172,968.40 and 383,729.60

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Solution

The fourth proportional to 1,448,710.40, 2,172,968.40 and 383,729.60 is: 575,568.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,710.40 : 2,172,968.40 = 383,729.60 : x
  2. Step 2: Convert to fraction form
    1,448,710.40/2,172,968.40 = 383,729.60/x
  3. Step 3: Cross multiply
    1,448,710.40x = 2,172,968.40 × 383,729.60
  4. Step 4: Simplify right side
    1,448,710.40x = 833,832,294,944.64
  5. Step 5: Solve for x
    x = 833,832,294,944.64/1,448,710.40
  6. Step 6: Final answer
    x = 575,568.65

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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.