Finding the Fourth Proportional to 1,021,657.81, 1,409,887.68 and 592,187.06
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Solution
The fourth proportional to 1,021,657.81, 1,409,887.68 and 592,187.06 is: 817,218.09
Step by Step Solution
- Step 1: Write the proportion equation
1,021,657.81 : 1,409,887.68 = 592,187.06 : x - Step 2: Convert to fraction form
1,021,657.81/1,409,887.68 = 592,187.06/x - Step 3: Cross multiply
1,021,657.81x = 1,409,887.68 × 592,187.06 - Step 4: Simplify right side
1,021,657.81x = 834,917,240,149.42 - Step 5: Solve for x
x = 834,917,240,149.42/1,021,657.81 - Step 6: Final answer
x = 817,218.09
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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.