Finding the Fourth Proportional to 1,053,817.68, 1,580,085.68 and 413,353.92
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Solution
The fourth proportional to 1,053,817.68, 1,580,085.68 and 413,353.92 is: 619,779.51
Step by Step Solution
- Step 1: Write the proportion equation
1,053,817.68 : 1,580,085.68 = 413,353.92 : x - Step 2: Convert to fraction form
1,053,817.68/1,580,085.68 = 413,353.92/x - Step 3: Cross multiply
1,053,817.68x = 1,580,085.68 × 413,353.92 - Step 4: Simplify right side
1,053,817.68x = 653,134,609,763.87 - Step 5: Solve for x
x = 653,134,609,763.87/1,053,817.68 - Step 6: Final answer
x = 619,779.51
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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.