Finding the Fourth Proportional to 1,153,728.68, 1,592,136.10 and 637,481
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Solution
The fourth proportional to 1,153,728.68, 1,592,136.10 and 637,481 is: 879,718.54
Step by Step Solution
- Step 1: Write the proportion equation
1,153,728.68 : 1,592,136.10 = 637,481 : x - Step 2: Convert to fraction form
1,153,728.68/1,592,136.10 = 637,481/x - Step 3: Cross multiply
1,153,728.68x = 1,592,136.10 × 637,481 - Step 4: Simplify right side
1,153,728.68x = 1,014,956,513,164.10 - Step 5: Solve for x
x = 1,014,956,513,164.10/1,153,728.68 - Step 6: Final answer
x = 879,718.54
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.