Finding the Fourth Proportional to 1,060,215.48, 1,590,459.84 and 386,192.88
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Solution
The fourth proportional to 1,060,215.48, 1,590,459.84 and 386,192.88 is: 579,339.09
Step by Step Solution
- Step 1: Write the proportion equation
1,060,215.48 : 1,590,459.84 = 386,192.88 : x - Step 2: Convert to fraction form
1,060,215.48/1,590,459.84 = 386,192.88/x - Step 3: Cross multiply
1,060,215.48x = 1,590,459.84 × 386,192.88 - Step 4: Simplify right side
1,060,215.48x = 614,224,266,133.94 - Step 5: Solve for x
x = 614,224,266,133.94/1,060,215.48 - Step 6: Final answer
x = 579,339.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.