Home / 1,120,745.76-1,546,598.40-611,448

Finding the Fourth Proportional to 1,120,745.76, 1,546,598.40 and 611,448

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Solution

The fourth proportional to 1,120,745.76, 1,546,598.40 and 611,448 is: 843,781.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,745.76 : 1,546,598.40 = 611,448 : x
  2. Step 2: Convert to fraction form
    1,120,745.76/1,546,598.40 = 611,448/x
  3. Step 3: Cross multiply
    1,120,745.76x = 1,546,598.40 × 611,448
  4. Step 4: Simplify right side
    1,120,745.76x = 945,664,498,483.20
  5. Step 5: Solve for x
    x = 945,664,498,483.20/1,120,745.76
  6. Step 6: Final answer
    x = 843,781.46

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.