Finding the Fourth Proportional to 1,133,434.08, 1,564,138.88 and 624,135.20
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Solution
The fourth proportional to 1,133,434.08, 1,564,138.88 and 624,135.20 is: 861,306.49
Step by Step Solution
- Step 1: Write the proportion equation
1,133,434.08 : 1,564,138.88 = 624,135.20 : x - Step 2: Convert to fraction form
1,133,434.08/1,564,138.88 = 624,135.20/x - Step 3: Cross multiply
1,133,434.08x = 1,564,138.88 × 624,135.20 - Step 4: Simplify right side
1,133,434.08x = 976,234,132,696.58 - Step 5: Solve for x
x = 976,234,132,696.58/1,133,434.08 - Step 6: Final answer
x = 861,306.49
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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.