Finding the Fourth Proportional to 1,192,309.32, 1,645,428.96 and 683,110.02
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Solution
The fourth proportional to 1,192,309.32, 1,645,428.96 and 683,110.02 is: 942,715.95
Step by Step Solution
- Step 1: Write the proportion equation
1,192,309.32 : 1,645,428.96 = 683,110.02 : x - Step 2: Convert to fraction form
1,192,309.32/1,645,428.96 = 683,110.02/x - Step 3: Cross multiply
1,192,309.32x = 1,645,428.96 × 683,110.02 - Step 4: Simplify right side
1,192,309.32x = 1,124,009,009,774.18 - Step 5: Solve for x
x = 1,124,009,009,774.18/1,192,309.32 - Step 6: Final answer
x = 942,715.95
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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.