Finding the Fourth Proportional to 1,245,237.68, 1,867,670.61 and 346,585.70
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Solution
The fourth proportional to 1,245,237.68, 1,867,670.61 and 346,585.70 is: 519,826.80
Step by Step Solution
- Step 1: Write the proportion equation
1,245,237.68 : 1,867,670.61 = 346,585.70 : x - Step 2: Convert to fraction form
1,245,237.68/1,867,670.61 = 346,585.70/x - Step 3: Cross multiply
1,245,237.68x = 1,867,670.61 × 346,585.70 - Step 4: Simplify right side
1,245,237.68x = 647,307,916,397.92 - Step 5: Solve for x
x = 647,307,916,397.92/1,245,237.68 - Step 6: Final answer
x = 519,826.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.