Home / 1,383,904.80-2,076,440.40-753,271.20

Finding the Fourth Proportional to 1,383,904.80, 2,076,440.40 and 753,271.20

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Solution

The fourth proportional to 1,383,904.80, 2,076,440.40 and 753,271.20 is: 1,130,224.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,904.80 : 2,076,440.40 = 753,271.20 : x
  2. Step 2: Convert to fraction form
    1,383,904.80/2,076,440.40 = 753,271.20/x
  3. Step 3: Cross multiply
    1,383,904.80x = 2,076,440.40 × 753,271.20
  4. Step 4: Simplify right side
    1,383,904.80x = 1,564,122,751,836.48
  5. Step 5: Solve for x
    x = 1,564,122,751,836.48/1,383,904.80
  6. Step 6: Final answer
    x = 1,130,224.24

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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.