Home / 1,240,040.16-1,860,081.84-341,477.28

Finding the Fourth Proportional to 1,240,040.16, 1,860,081.84 and 341,477.28

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Solution

The fourth proportional to 1,240,040.16, 1,860,081.84 and 341,477.28 is: 512,221.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,040.16 : 1,860,081.84 = 341,477.28 : x
  2. Step 2: Convert to fraction form
    1,240,040.16/1,860,081.84 = 341,477.28/x
  3. Step 3: Cross multiply
    1,240,040.16x = 1,860,081.84 × 341,477.28
  4. Step 4: Simplify right side
    1,240,040.16x = 635,175,687,300.60
  5. Step 5: Solve for x
    x = 635,175,687,300.60/1,240,040.16
  6. Step 6: Final answer
    x = 512,221.87

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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.