Finding the Fourth Proportional to 1,010,299.60, 1,394,394.06 and 602,427.70
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Solution
The fourth proportional to 1,010,299.60, 1,394,394.06 and 602,427.70 is: 831,457.92
Step by Step Solution
- Step 1: Write the proportion equation
1,010,299.60 : 1,394,394.06 = 602,427.70 : x - Step 2: Convert to fraction form
1,010,299.60/1,394,394.06 = 602,427.70/x - Step 3: Cross multiply
1,010,299.60x = 1,394,394.06 × 602,427.70 - Step 4: Simplify right side
1,010,299.60x = 840,021,606,459.46 - Step 5: Solve for x
x = 840,021,606,459.46/1,010,299.60 - Step 6: Final answer
x = 831,457.92
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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.