Finding the Fourth Proportional to 1,416,351.12, 2,125,154.32 and 742,272
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Solution
The fourth proportional to 1,416,351.12, 2,125,154.32 and 742,272 is: 1,113,736.93
Step by Step Solution
- Step 1: Write the proportion equation
1,416,351.12 : 2,125,154.32 = 742,272 : x - Step 2: Convert to fraction form
1,416,351.12/2,125,154.32 = 742,272/x - Step 3: Cross multiply
1,416,351.12x = 2,125,154.32 × 742,272 - Step 4: Simplify right side
1,416,351.12x = 1,577,442,547,415.04 - Step 5: Solve for x
x = 1,577,442,547,415.04/1,416,351.12 - Step 6: Final answer
x = 1,113,736.93
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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.