Finding the Fourth Proportional to 1,139,349.74, 1,572,495.97 and 656,194.61
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Solution
The fourth proportional to 1,139,349.74, 1,572,495.97 and 656,194.61 is: 905,659.90
Step by Step Solution
- Step 1: Write the proportion equation
1,139,349.74 : 1,572,495.97 = 656,194.61 : x - Step 2: Convert to fraction form
1,139,349.74/1,572,495.97 = 656,194.61/x - Step 3: Cross multiply
1,139,349.74x = 1,572,495.97 × 656,194.61 - Step 4: Simplify right side
1,139,349.74x = 1,031,863,371,898.24 - Step 5: Solve for x
x = 1,031,863,371,898.24/1,139,349.74 - Step 6: Final answer
x = 905,659.90
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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.