Finding the Fourth Proportional to 1,072,058.68, 1,479,459.36 and 588,644.20
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Solution
The fourth proportional to 1,072,058.68, 1,479,459.36 and 588,644.20 is: 812,339.09
Step by Step Solution
- Step 1: Write the proportion equation
1,072,058.68 : 1,479,459.36 = 588,644.20 : x - Step 2: Convert to fraction form
1,072,058.68/1,479,459.36 = 588,644.20/x - Step 3: Cross multiply
1,072,058.68x = 1,479,459.36 × 588,644.20 - Step 4: Simplify right side
1,072,058.68x = 870,875,171,399.71 - Step 5: Solve for x
x = 870,875,171,399.71/1,072,058.68 - Step 6: Final answer
x = 812,339.09
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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.