Finding the Fourth Proportional to 1,009,603.18, 1,393,278.67 and 550,725.49
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Solution
The fourth proportional to 1,009,603.18, 1,393,278.67 and 550,725.49 is: 760,015.51
Step by Step Solution
- Step 1: Write the proportion equation
1,009,603.18 : 1,393,278.67 = 550,725.49 : x - Step 2: Convert to fraction form
1,009,603.18/1,393,278.67 = 550,725.49/x - Step 3: Cross multiply
1,009,603.18x = 1,393,278.67 × 550,725.49 - Step 4: Simplify right side
1,009,603.18x = 767,314,078,242.30 - Step 5: Solve for x
x = 767,314,078,242.30/1,009,603.18 - Step 6: Final answer
x = 760,015.51
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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.