Finding the Fourth Proportional to 1,258,585.80, 1,888,152.08 and 459,866.07
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Solution
The fourth proportional to 1,258,585.80, 1,888,152.08 and 459,866.07 is: 689,898.99
Step by Step Solution
- Step 1: Write the proportion equation
1,258,585.80 : 1,888,152.08 = 459,866.07 : x - Step 2: Convert to fraction form
1,258,585.80/1,888,152.08 = 459,866.07/x - Step 3: Cross multiply
1,258,585.80x = 1,888,152.08 × 459,866.07 - Step 4: Simplify right side
1,258,585.80x = 868,297,074,292.60 - Step 5: Solve for x
x = 868,297,074,292.60/1,258,585.80 - Step 6: Final answer
x = 689,898.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.