Finding the Fourth Proportional to 1,201,767.02, 1,658,438.36 and 657,901.12
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Solution
The fourth proportional to 1,201,767.02, 1,658,438.36 and 657,901.12 is: 907,903.48
Step by Step Solution
- Step 1: Write the proportion equation
1,201,767.02 : 1,658,438.36 = 657,901.12 : x - Step 2: Convert to fraction form
1,201,767.02/1,658,438.36 = 657,901.12/x - Step 3: Cross multiply
1,201,767.02x = 1,658,438.36 × 657,901.12 - Step 4: Simplify right side
1,201,767.02x = 1,091,088,454,494.96 - Step 5: Solve for x
x = 1,091,088,454,494.96/1,201,767.02 - Step 6: Final answer
x = 907,903.48
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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.