Finding the Fourth Proportional to 1,248,776.68, 1,721,875.22 and 922,561.68
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Solution
The fourth proportional to 1,248,776.68, 1,721,875.22 and 922,561.68 is: 1,272,073.80
Step by Step Solution
- Step 1: Write the proportion equation
1,248,776.68 : 1,721,875.22 = 922,561.68 : x - Step 2: Convert to fraction form
1,248,776.68/1,721,875.22 = 922,561.68/x - Step 3: Cross multiply
1,248,776.68x = 1,721,875.22 × 922,561.68 - Step 4: Simplify right side
1,248,776.68x = 1,588,536,095,713.57 - Step 5: Solve for x
x = 1,588,536,095,713.57/1,248,776.68 - Step 6: Final answer
x = 1,272,073.80
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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.