Finding the Fourth Proportional to 1,260,888.12, 1,880,227.35 and 1,249,515.72
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Solution
The fourth proportional to 1,260,888.12, 1,880,227.35 and 1,249,515.72 is: 1,863,268.91
Step by Step Solution
- Step 1: Write the proportion equation
1,260,888.12 : 1,880,227.35 = 1,249,515.72 : x - Step 2: Convert to fraction form
1,260,888.12/1,880,227.35 = 1,249,515.72/x - Step 3: Cross multiply
1,260,888.12x = 1,880,227.35 × 1,249,515.72 - Step 4: Simplify right side
1,260,888.12x = 2,349,373,630,998.94 - Step 5: Solve for x
x = 2,349,373,630,998.94/1,260,888.12 - Step 6: Final answer
x = 1,863,268.91
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.