Finding the Fourth Proportional to 1,382,457, 2,074,501.98 and 583,686.84
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Solution
The fourth proportional to 1,382,457, 2,074,501.98 and 583,686.84 is: 875,874.99
Step by Step Solution
- Step 1: Write the proportion equation
1,382,457 : 2,074,501.98 = 583,686.84 : x - Step 2: Convert to fraction form
1,382,457/2,074,501.98 = 583,686.84/x - Step 3: Cross multiply
1,382,457x = 2,074,501.98 × 583,686.84 - Step 4: Simplify right side
1,382,457x = 1,210,859,505,279.94 - Step 5: Solve for x
x = 1,210,859,505,279.94/1,382,457 - Step 6: Final answer
x = 875,874.99
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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.