Finding the Fourth Proportional to 1,212,248.74, 1,673,620.05 and 1,077,740.50
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Solution
The fourth proportional to 1,212,248.74, 1,673,620.05 and 1,077,740.50 is: 1,487,919.15
Step by Step Solution
- Step 1: Write the proportion equation
1,212,248.74 : 1,673,620.05 = 1,077,740.50 : x - Step 2: Convert to fraction form
1,212,248.74/1,673,620.05 = 1,077,740.50/x - Step 3: Cross multiply
1,212,248.74x = 1,673,620.05 × 1,077,740.50 - Step 4: Simplify right side
1,212,248.74x = 1,803,728,109,497.03 - Step 5: Solve for x
x = 1,803,728,109,497.03/1,212,248.74 - Step 6: Final answer
x = 1,487,919.15
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.