Finding the Fourth Proportional to 1,133,879.38, 1,564,753.65 and 624,581.75
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Solution
The fourth proportional to 1,133,879.38, 1,564,753.65 and 624,581.75 is: 861,922.88
Step by Step Solution
- Step 1: Write the proportion equation
1,133,879.38 : 1,564,753.65 = 624,581.75 : x - Step 2: Convert to fraction form
1,133,879.38/1,564,753.65 = 624,581.75/x - Step 3: Cross multiply
1,133,879.38x = 1,564,753.65 × 624,581.75 - Step 4: Simplify right side
1,133,879.38x = 977,316,574,605.59 - Step 5: Solve for x
x = 977,316,574,605.59/1,133,879.38 - Step 6: Final answer
x = 861,922.88
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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.