Finding the Fourth Proportional to 1,282,636.79, 1,769,267.64 and 847,058.15
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Solution
The fourth proportional to 1,282,636.79, 1,769,267.64 and 847,058.15 is: 1,168,430.99
Step by Step Solution
- Step 1: Write the proportion equation
1,282,636.79 : 1,769,267.64 = 847,058.15 : x - Step 2: Convert to fraction form
1,282,636.79/1,769,267.64 = 847,058.15/x - Step 3: Cross multiply
1,282,636.79x = 1,769,267.64 × 847,058.15 - Step 4: Simplify right side
1,282,636.79x = 1,498,672,565,146.93 - Step 5: Solve for x
x = 1,498,672,565,146.93/1,282,636.79 - Step 6: Final answer
x = 1,168,430.99
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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.