Home / 1,240,289.71-1,860,101.50-341,517.45

Finding the Fourth Proportional to 1,240,289.71, 1,860,101.50 and 341,517.45

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Solution

The fourth proportional to 1,240,289.71, 1,860,101.50 and 341,517.45 is: 512,184.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,289.71 : 1,860,101.50 = 341,517.45 : x
  2. Step 2: Convert to fraction form
    1,240,289.71/1,860,101.50 = 341,517.45/x
  3. Step 3: Cross multiply
    1,240,289.71x = 1,860,101.50 × 341,517.45
  4. Step 4: Simplify right side
    1,240,289.71x = 635,257,121,021.18
  5. Step 5: Solve for x
    x = 635,257,121,021.18/1,240,289.71
  6. Step 6: Final answer
    x = 512,184.46

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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.