Finding the Fourth Proportional to 1,233,279.36, 1,702,199.88 and 749,742
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Solution
The fourth proportional to 1,233,279.36, 1,702,199.88 and 749,742 is: 1,034,810.75
Step by Step Solution
- Step 1: Write the proportion equation
1,233,279.36 : 1,702,199.88 = 749,742 : x - Step 2: Convert to fraction form
1,233,279.36/1,702,199.88 = 749,742/x - Step 3: Cross multiply
1,233,279.36x = 1,702,199.88 × 749,742 - Step 4: Simplify right side
1,233,279.36x = 1,276,210,742,430.96 - Step 5: Solve for x
x = 1,276,210,742,430.96/1,233,279.36 - Step 6: Final answer
x = 1,034,810.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.