Finding the Fourth Proportional to 1,303,486.92, 1,798,885.94 and 730,564.07
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Solution
The fourth proportional to 1,303,486.92, 1,798,885.94 and 730,564.07 is: 1,008,219.88
Step by Step Solution
- Step 1: Write the proportion equation
1,303,486.92 : 1,798,885.94 = 730,564.07 : x - Step 2: Convert to fraction form
1,303,486.92/1,798,885.94 = 730,564.07/x - Step 3: Cross multiply
1,303,486.92x = 1,798,885.94 × 730,564.07 - Step 4: Simplify right side
1,303,486.92x = 1,314,201,421,144.93 - Step 5: Solve for x
x = 1,314,201,421,144.93/1,303,486.92 - Step 6: Final answer
x = 1,008,219.88
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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.