Home / 1,283,258.80-1,926,270.60-723,386.80

Finding the Fourth Proportional to 1,283,258.80, 1,926,270.60 and 723,386.80

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Solution

The fourth proportional to 1,283,258.80, 1,926,270.60 and 723,386.80 is: 1,085,859.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,258.80 : 1,926,270.60 = 723,386.80 : x
  2. Step 2: Convert to fraction form
    1,283,258.80/1,926,270.60 = 723,386.80/x
  3. Step 3: Cross multiply
    1,283,258.80x = 1,926,270.60 × 723,386.80
  4. Step 4: Simplify right side
    1,283,258.80x = 1,393,438,725,268.08
  5. Step 5: Solve for x
    x = 1,393,438,725,268.08/1,283,258.80
  6. Step 6: Final answer
    x = 1,085,859.47

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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.