Finding the Fourth Proportional to 1,268,011.24, 1,749,876.66 and 687,252.91
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Solution
The fourth proportional to 1,268,011.24, 1,749,876.66 and 687,252.91 is: 948,420.48
Step by Step Solution
- Step 1: Write the proportion equation
1,268,011.24 : 1,749,876.66 = 687,252.91 : x - Step 2: Convert to fraction form
1,268,011.24/1,749,876.66 = 687,252.91/x - Step 3: Cross multiply
1,268,011.24x = 1,749,876.66 × 687,252.91 - Step 4: Simplify right side
1,268,011.24x = 1,202,607,826,726.08 - Step 5: Solve for x
x = 1,202,607,826,726.08/1,268,011.24 - Step 6: Final answer
x = 948,420.48
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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.