Finding the Fourth Proportional to 1,133,420.54, 1,564,131.75 and 624,124.94
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Solution
The fourth proportional to 1,133,420.54, 1,564,131.75 and 624,124.94 is: 861,298.70
Step by Step Solution
- Step 1: Write the proportion equation
1,133,420.54 : 1,564,131.75 = 624,124.94 : x - Step 2: Convert to fraction form
1,133,420.54/1,564,131.75 = 624,124.94/x - Step 3: Cross multiply
1,133,420.54x = 1,564,131.75 × 624,124.94 - Step 4: Simplify right side
1,133,420.54x = 976,213,634,620.85 - Step 5: Solve for x
x = 976,213,634,620.85/1,133,420.54 - Step 6: Final answer
x = 861,298.70
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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.