Finding the Fourth Proportional to 1,133,472.08, 1,564,193.76 and 624,175.40
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Solution
The fourth proportional to 1,133,472.08, 1,564,193.76 and 624,175.40 is: 861,363.31
Step by Step Solution
- Step 1: Write the proportion equation
1,133,472.08 : 1,564,193.76 = 624,175.40 : x - Step 2: Convert to fraction form
1,133,472.08/1,564,193.76 = 624,175.40/x - Step 3: Cross multiply
1,133,472.08x = 1,564,193.76 × 624,175.40 - Step 4: Simplify right side
1,133,472.08x = 976,331,265,825.50 - Step 5: Solve for x
x = 976,331,265,825.50/1,133,472.08 - Step 6: Final answer
x = 861,363.31
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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.