Finding the Fourth Proportional to 1,423,925.94, 2,135,616.74 and 426,653.94
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Solution
The fourth proportional to 1,423,925.94, 2,135,616.74 and 426,653.94 is: 639,899.36
Step by Step Solution
- Step 1: Write the proportion equation
1,423,925.94 : 2,135,616.74 = 426,653.94 : x - Step 2: Convert to fraction form
1,423,925.94/2,135,616.74 = 426,653.94/x - Step 3: Cross multiply
1,423,925.94x = 2,135,616.74 × 426,653.94 - Step 4: Simplify right side
1,423,925.94x = 911,169,294,313.29 - Step 5: Solve for x
x = 911,169,294,313.29/1,423,925.94 - Step 6: Final answer
x = 639,899.36
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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.