Finding the Fourth Proportional to 1,021,623.37, 1,409,788.14 and 562,728.06
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Solution
The fourth proportional to 1,021,623.37, 1,409,788.14 and 562,728.06 is: 776,536.02
Step by Step Solution
- Step 1: Write the proportion equation
1,021,623.37 : 1,409,788.14 = 562,728.06 : x - Step 2: Convert to fraction form
1,021,623.37/1,409,788.14 = 562,728.06/x - Step 3: Cross multiply
1,021,623.37x = 1,409,788.14 × 562,728.06 - Step 4: Simplify right side
1,021,623.37x = 793,327,346,088.32 - Step 5: Solve for x
x = 793,327,346,088.32/1,021,623.37 - Step 6: Final answer
x = 776,536.02
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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.