Home / 1,370,272.40-2,055,408.60-483,693.20

Finding the Fourth Proportional to 1,370,272.40, 2,055,408.60 and 483,693.20

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Solution

The fourth proportional to 1,370,272.40, 2,055,408.60 and 483,693.20 is: 725,539.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,272.40 : 2,055,408.60 = 483,693.20 : x
  2. Step 2: Convert to fraction form
    1,370,272.40/2,055,408.60 = 483,693.20/x
  3. Step 3: Cross multiply
    1,370,272.40x = 2,055,408.60 × 483,693.20
  4. Step 4: Simplify right side
    1,370,272.40x = 994,187,163,041.52
  5. Step 5: Solve for x
    x = 994,187,163,041.52/1,370,272.40
  6. Step 6: Final answer
    x = 725,539.80

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Double scale
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Similar ratio
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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.