Finding the Fourth Proportional to 1,133,630.64, 1,564,480.98 and 624,332.88
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Solution
The fourth proportional to 1,133,630.64, 1,564,480.98 and 624,332.88 is: 861,618.31
Step by Step Solution
- Step 1: Write the proportion equation
1,133,630.64 : 1,564,480.98 = 624,332.88 : x - Step 2: Convert to fraction form
1,133,630.64/1,564,480.98 = 624,332.88/x - Step 3: Cross multiply
1,133,630.64x = 1,564,480.98 × 624,332.88 - Step 4: Simplify right side
1,133,630.64x = 976,756,915,948.62 - Step 5: Solve for x
x = 976,756,915,948.62/1,133,630.64 - Step 6: Final answer
x = 861,618.31
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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.