Finding the Fourth Proportional to 1,363,569.42, 1,881,789.87 and 759,961.74
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Solution
The fourth proportional to 1,363,569.42, 1,881,789.87 and 759,961.74 is: 1,048,782.91
Step by Step Solution
- Step 1: Write the proportion equation
1,363,569.42 : 1,881,789.87 = 759,961.74 : x - Step 2: Convert to fraction form
1,363,569.42/1,881,789.87 = 759,961.74/x - Step 3: Cross multiply
1,363,569.42x = 1,881,789.87 × 759,961.74 - Step 4: Simplify right side
1,363,569.42x = 1,430,088,303,919.57 - Step 5: Solve for x
x = 1,430,088,303,919.57/1,363,569.42 - Step 6: Final answer
x = 1,048,782.91
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.