Finding the Fourth Proportional to 1,282,557.16, 1,769,980.98 and 709,588
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Solution
The fourth proportional to 1,282,557.16, 1,769,980.98 and 709,588 is: 979,260.26
Step by Step Solution
- Step 1: Write the proportion equation
1,282,557.16 : 1,769,980.98 = 709,588 : x - Step 2: Convert to fraction form
1,282,557.16/1,769,980.98 = 709,588/x - Step 3: Cross multiply
1,282,557.16x = 1,769,980.98 × 709,588 - Step 4: Simplify right side
1,282,557.16x = 1,255,957,263,636.24 - Step 5: Solve for x
x = 1,255,957,263,636.24/1,282,557.16 - Step 6: Final answer
x = 979,260.26
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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.