Home / 1,255,419.54-1,883,113.11-308,798.46

Finding the Fourth Proportional to 1,255,419.54, 1,883,113.11 and 308,798.46

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Solution

The fourth proportional to 1,255,419.54, 1,883,113.11 and 308,798.46 is: 463,193.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,419.54 : 1,883,113.11 = 308,798.46 : x
  2. Step 2: Convert to fraction form
    1,255,419.54/1,883,113.11 = 308,798.46/x
  3. Step 3: Cross multiply
    1,255,419.54x = 1,883,113.11 × 308,798.46
  4. Step 4: Simplify right side
    1,255,419.54x = 581,502,428,373.81
  5. Step 5: Solve for x
    x = 581,502,428,373.81/1,255,419.54
  6. Step 6: Final answer
    x = 463,193.71

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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.