Finding the Fourth Proportional to 1,416,309.28, 2,125,091.80 and 742,230.31
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Solution
The fourth proportional to 1,416,309.28, 2,125,091.80 and 742,230.31 is: 1,113,674.51
Step by Step Solution
- Step 1: Write the proportion equation
1,416,309.28 : 2,125,091.80 = 742,230.31 : x - Step 2: Convert to fraction form
1,416,309.28/2,125,091.80 = 742,230.31/x - Step 3: Cross multiply
1,416,309.28x = 2,125,091.80 × 742,230.31 - Step 4: Simplify right side
1,416,309.28x = 1,577,307,545,492.46 - Step 5: Solve for x
x = 1,577,307,545,492.46/1,416,309.28 - Step 6: Final answer
x = 1,113,674.51
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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.