Finding the Fourth Proportional to 1,429,610.44, 1,972,896.78 and 776,264.26
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Solution
The fourth proportional to 1,429,610.44, 1,972,896.78 and 776,264.26 is: 1,071,263.34
Step by Step Solution
- Step 1: Write the proportion equation
1,429,610.44 : 1,972,896.78 = 776,264.26 : x - Step 2: Convert to fraction form
1,429,610.44/1,972,896.78 = 776,264.26/x - Step 3: Cross multiply
1,429,610.44x = 1,972,896.78 × 776,264.26 - Step 4: Simplify right side
1,429,610.44x = 1,531,489,258,983.08 - Step 5: Solve for x
x = 1,531,489,258,983.08/1,429,610.44 - Step 6: Final answer
x = 1,071,263.34
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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.