Finding the Fourth Proportional to 1,124,957.06, 1,687,762.37 and 405,285.09
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Solution
The fourth proportional to 1,124,957.06, 1,687,762.37 and 405,285.09 is: 608,045.36
Step by Step Solution
- Step 1: Write the proportion equation
1,124,957.06 : 1,687,762.37 = 405,285.09 : x - Step 2: Convert to fraction form
1,124,957.06/1,687,762.37 = 405,285.09/x - Step 3: Cross multiply
1,124,957.06x = 1,687,762.37 × 405,285.09 - Step 4: Simplify right side
1,124,957.06x = 684,024,918,708.17 - Step 5: Solve for x
x = 684,024,918,708.17/1,124,957.06 - Step 6: Final answer
x = 608,045.36
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.