Finding the Fourth Proportional to 1,133,435.76, 1,564,133.60 and 624,134
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Solution
The fourth proportional to 1,133,435.76, 1,564,133.60 and 624,134 is: 861,300.65
Step by Step Solution
- Step 1: Write the proportion equation
1,133,435.76 : 1,564,133.60 = 624,134 : x - Step 2: Convert to fraction form
1,133,435.76/1,564,133.60 = 624,134/x - Step 3: Cross multiply
1,133,435.76x = 1,564,133.60 × 624,134 - Step 4: Simplify right side
1,133,435.76x = 976,228,960,302.40 - Step 5: Solve for x
x = 976,228,960,302.40/1,133,435.76 - Step 6: Final answer
x = 861,300.65
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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.