Home / 1,303,749.88-1,955,626.38-357,128.76

Finding the Fourth Proportional to 1,303,749.88, 1,955,626.38 and 357,128.76

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Solution

The fourth proportional to 1,303,749.88, 1,955,626.38 and 357,128.76 is: 535,693.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303,749.88 : 1,955,626.38 = 357,128.76 : x
  2. Step 2: Convert to fraction form
    1,303,749.88/1,955,626.38 = 357,128.76/x
  3. Step 3: Cross multiply
    1,303,749.88x = 1,955,626.38 × 357,128.76
  4. Step 4: Simplify right side
    1,303,749.88x = 698,410,424,112.69
  5. Step 5: Solve for x
    x = 698,410,424,112.69/1,303,749.88
  6. Step 6: Final answer
    x = 535,693.57

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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.