Finding the Fourth Proportional to 1,273,719.48, 1,911,038.52 and 642,157.68
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Solution
The fourth proportional to 1,273,719.48, 1,911,038.52 and 642,157.68 is: 963,468.08
Step by Step Solution
- Step 1: Write the proportion equation
1,273,719.48 : 1,911,038.52 = 642,157.68 : x - Step 2: Convert to fraction form
1,273,719.48/1,911,038.52 = 642,157.68/x - Step 3: Cross multiply
1,273,719.48x = 1,911,038.52 × 642,157.68 - Step 4: Simplify right side
1,273,719.48x = 1,227,188,062,393.83 - Step 5: Solve for x
x = 1,227,188,062,393.83/1,273,719.48 - Step 6: Final answer
x = 963,468.08
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.