Finding the Fourth Proportional to 1,051,389.63, 1,580,376.45 and 693,858.05
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Solution
The fourth proportional to 1,051,389.63, 1,580,376.45 and 693,858.05 is: 1,042,959.61
Step by Step Solution
- Step 1: Write the proportion equation
1,051,389.63 : 1,580,376.45 = 693,858.05 : x - Step 2: Convert to fraction form
1,051,389.63/1,580,376.45 = 693,858.05/x - Step 3: Cross multiply
1,051,389.63x = 1,580,376.45 × 693,858.05 - Step 4: Simplify right side
1,051,389.63x = 1,096,556,913,961.04 - Step 5: Solve for x
x = 1,096,556,913,961.04/1,051,389.63 - Step 6: Final answer
x = 1,042,959.61
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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.