Home / 1,255,421.54-1,883,116.11-308,800.46

Finding the Fourth Proportional to 1,255,421.54, 1,883,116.11 and 308,800.46

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Solution

The fourth proportional to 1,255,421.54, 1,883,116.11 and 308,800.46 is: 463,196.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,421.54 : 1,883,116.11 = 308,800.46 : x
  2. Step 2: Convert to fraction form
    1,255,421.54/1,883,116.11 = 308,800.46/x
  3. Step 3: Cross multiply
    1,255,421.54x = 1,883,116.11 × 308,800.46
  4. Step 4: Simplify right side
    1,255,421.54x = 581,507,121,001.41
  5. Step 5: Solve for x
    x = 581,507,121,001.41/1,255,421.54
  6. Step 6: Final answer
    x = 463,196.71

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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.