Finding the Fourth Proportional to 1,307,926.28, 1,804,991.73 and 734,965.09
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Solution
The fourth proportional to 1,307,926.28, 1,804,991.73 and 734,965.09 is: 1,014,281.87
Step by Step Solution
- Step 1: Write the proportion equation
1,307,926.28 : 1,804,991.73 = 734,965.09 : x - Step 2: Convert to fraction form
1,307,926.28/1,804,991.73 = 734,965.09/x - Step 3: Cross multiply
1,307,926.28x = 1,804,991.73 × 734,965.09 - Step 4: Simplify right side
1,307,926.28x = 1,326,605,909,288.71 - Step 5: Solve for x
x = 1,326,605,909,288.71/1,307,926.28 - Step 6: Final answer
x = 1,014,281.87
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.