Finding the Fourth Proportional to 1,037,697.15, 1,556,847.12 and 430,374.09
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Solution
The fourth proportional to 1,037,697.15, 1,556,847.12 and 430,374.09 is: 645,686.14
Step by Step Solution
- Step 1: Write the proportion equation
1,037,697.15 : 1,556,847.12 = 430,374.09 : x - Step 2: Convert to fraction form
1,037,697.15/1,556,847.12 = 430,374.09/x - Step 3: Cross multiply
1,037,697.15x = 1,556,847.12 × 430,374.09 - Step 4: Simplify right side
1,037,697.15x = 670,026,662,539.12 - Step 5: Solve for x
x = 670,026,662,539.12/1,037,697.15 - Step 6: Final answer
x = 645,686.14
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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.