Finding the Fourth Proportional to 1,133,869.82, 1,564,740.45 and 624,572.19
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Solution
The fourth proportional to 1,133,869.82, 1,564,740.45 and 624,572.19 is: 861,909.68
Step by Step Solution
- Step 1: Write the proportion equation
1,133,869.82 : 1,564,740.45 = 624,572.19 : x - Step 2: Convert to fraction form
1,133,869.82/1,564,740.45 = 624,572.19/x - Step 3: Cross multiply
1,133,869.82x = 1,564,740.45 × 624,572.19 - Step 4: Simplify right side
1,133,869.82x = 977,293,369,638.09 - Step 5: Solve for x
x = 977,293,369,638.09/1,133,869.82 - Step 6: Final answer
x = 861,909.68
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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.