Finding the Fourth Proportional to 1,129,722.35, 1,559,011.70 and 613,472.09
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Solution
The fourth proportional to 1,129,722.35, 1,559,011.70 and 613,472.09 is: 846,588.69
Step by Step Solution
- Step 1: Write the proportion equation
1,129,722.35 : 1,559,011.70 = 613,472.09 : x - Step 2: Convert to fraction form
1,129,722.35/1,559,011.70 = 613,472.09/x - Step 3: Cross multiply
1,129,722.35x = 1,559,011.70 × 613,472.09 - Step 4: Simplify right side
1,129,722.35x = 956,410,155,071.03 - Step 5: Solve for x
x = 956,410,155,071.03/1,129,722.35 - Step 6: Final answer
x = 846,588.69
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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.