Home / 1,448,912.40-2,173,271.40-383,931.60

Finding the Fourth Proportional to 1,448,912.40, 2,173,271.40 and 383,931.60

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Solution

The fourth proportional to 1,448,912.40, 2,173,271.40 and 383,931.60 is: 575,871.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,912.40 : 2,173,271.40 = 383,931.60 : x
  2. Step 2: Convert to fraction form
    1,448,912.40/2,173,271.40 = 383,931.60/x
  3. Step 3: Cross multiply
    1,448,912.40x = 2,173,271.40 × 383,931.60
  4. Step 4: Simplify right side
    1,448,912.40x = 834,387,565,836.24
  5. Step 5: Solve for x
    x = 834,387,565,836.24/1,448,912.40
  6. Step 6: Final answer
    x = 575,871.64

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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.