Finding the Fourth Proportional to 1,258,905.84, 1,888,916.97 and 659,724.57
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Solution
The fourth proportional to 1,258,905.84, 1,888,916.97 and 659,724.57 is: 989,879.38
Step by Step Solution
- Step 1: Write the proportion equation
1,258,905.84 : 1,888,916.97 = 659,724.57 : x - Step 2: Convert to fraction form
1,258,905.84/1,888,916.97 = 659,724.57/x - Step 3: Cross multiply
1,258,905.84x = 1,888,916.97 × 659,724.57 - Step 4: Simplify right side
1,258,905.84x = 1,246,164,935,798.95 - Step 5: Solve for x
x = 1,246,164,935,798.95/1,258,905.84 - Step 6: Final answer
x = 989,879.38
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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.