Home / 931,889.95-1,395,785.95-770,132.59

Finding the Fourth Proportional to 931,889.95, 1,395,785.95 and 770,132.59

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Solution

The fourth proportional to 931,889.95, 1,395,785.95 and 770,132.59 is: 1,153,505.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,889.95 : 1,395,785.95 = 770,132.59 : x
  2. Step 2: Convert to fraction form
    931,889.95/1,395,785.95 = 770,132.59/x
  3. Step 3: Cross multiply
    931,889.95x = 1,395,785.95 × 770,132.59
  4. Step 4: Simplify right side
    931,889.95x = 1,074,940,243,344.31
  5. Step 5: Solve for x
    x = 1,074,940,243,344.31/931,889.95
  6. Step 6: Final answer
    x = 1,153,505.57

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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.