Finding the Fourth Proportional to 1,153,686.63, 1,730,973.12 and 812,457.53
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Solution
The fourth proportional to 1,153,686.63, 1,730,973.12 and 812,457.53 is: 1,218,998.39
Step by Step Solution
- Step 1: Write the proportion equation
1,153,686.63 : 1,730,973.12 = 812,457.53 : x - Step 2: Convert to fraction form
1,153,686.63/1,730,973.12 = 812,457.53/x - Step 3: Cross multiply
1,153,686.63x = 1,730,973.12 × 812,457.53 - Step 4: Simplify right side
1,153,686.63x = 1,406,342,145,571.59 - Step 5: Solve for x
x = 1,406,342,145,571.59/1,153,686.63 - Step 6: Final answer
x = 1,218,998.39
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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.