Finding the Fourth Proportional to 1,257,690.84, 1,735,318.26 and 713,703.48
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Solution
The fourth proportional to 1,257,690.84, 1,735,318.26 and 713,703.48 is: 984,743.34
Step by Step Solution
- Step 1: Write the proportion equation
1,257,690.84 : 1,735,318.26 = 713,703.48 : x - Step 2: Convert to fraction form
1,257,690.84/1,735,318.26 = 713,703.48/x - Step 3: Cross multiply
1,257,690.84x = 1,735,318.26 × 713,703.48 - Step 4: Simplify right side
1,257,690.84x = 1,238,502,681,069.54 - Step 5: Solve for x
x = 1,238,502,681,069.54/1,257,690.84 - Step 6: Final answer
x = 984,743.34
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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.