Finding the Fourth Proportional to 1,219,803.08, 1,683,338.13 and 675,947.95
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Solution
The fourth proportional to 1,219,803.08, 1,683,338.13 and 675,947.95 is: 932,813.65
Step by Step Solution
- Step 1: Write the proportion equation
1,219,803.08 : 1,683,338.13 = 675,947.95 : x - Step 2: Convert to fraction form
1,219,803.08/1,683,338.13 = 675,947.95/x - Step 3: Cross multiply
1,219,803.08x = 1,683,338.13 × 675,947.95 - Step 4: Simplify right side
1,219,803.08x = 1,137,848,953,921.99 - Step 5: Solve for x
x = 1,137,848,953,921.99/1,219,803.08 - Step 6: Final answer
x = 932,813.65
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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.