Finding the Fourth Proportional to 1,293,495.50, 1,785,763.68 and 858,502.75
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Solution
The fourth proportional to 1,293,495.50, 1,785,763.68 and 858,502.75 is: 1,185,224.86
Step by Step Solution
- Step 1: Write the proportion equation
1,293,495.50 : 1,785,763.68 = 858,502.75 : x - Step 2: Convert to fraction form
1,293,495.50/1,785,763.68 = 858,502.75/x - Step 3: Cross multiply
1,293,495.50x = 1,785,763.68 × 858,502.75 - Step 4: Simplify right side
1,293,495.50x = 1,533,083,030,623.71 - Step 5: Solve for x
x = 1,533,083,030,623.71/1,293,495.50 - Step 6: Final answer
x = 1,185,224.86
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.