Finding the Fourth Proportional to 1,422,853.05, 2,133,331.51 and 783,457.88
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Solution
The fourth proportional to 1,422,853.05, 2,133,331.51 and 783,457.88 is: 1,174,664.79
Step by Step Solution
- Step 1: Write the proportion equation
1,422,853.05 : 2,133,331.51 = 783,457.88 : x - Step 2: Convert to fraction form
1,422,853.05/2,133,331.51 = 783,457.88/x - Step 3: Cross multiply
1,422,853.05x = 2,133,331.51 × 783,457.88 - Step 4: Simplify right side
1,422,853.05x = 1,671,375,382,161.80 - Step 5: Solve for x
x = 1,671,375,382,161.80/1,422,853.05 - Step 6: Final answer
x = 1,174,664.79
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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.