Finding the Fourth Proportional to 1,237,685.68, 1,708,362.47 and 747,577.31
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Solution
The fourth proportional to 1,237,685.68, 1,708,362.47 and 747,577.31 is: 1,031,871.86
Step by Step Solution
- Step 1: Write the proportion equation
1,237,685.68 : 1,708,362.47 = 747,577.31 : x - Step 2: Convert to fraction form
1,237,685.68/1,708,362.47 = 747,577.31/x - Step 3: Cross multiply
1,237,685.68x = 1,708,362.47 × 747,577.31 - Step 4: Simplify right side
1,237,685.68x = 1,277,133,019,827.56 - Step 5: Solve for x
x = 1,277,133,019,827.56/1,237,685.68 - Step 6: Final answer
x = 1,031,871.86
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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.