Finding the Fourth Proportional to 1,197,699.84, 1,652,832 and 661,155.84
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Solution
The fourth proportional to 1,197,699.84, 1,652,832 and 661,155.84 is: 912,398.49
Step by Step Solution
- Step 1: Write the proportion equation
1,197,699.84 : 1,652,832 = 661,155.84 : x - Step 2: Convert to fraction form
1,197,699.84/1,652,832 = 661,155.84/x - Step 3: Cross multiply
1,197,699.84x = 1,652,832 × 661,155.84 - Step 4: Simplify right side
1,197,699.84x = 1,092,779,529,338.88 - Step 5: Solve for x
x = 1,092,779,529,338.88/1,197,699.84 - Step 6: Final answer
x = 912,398.49
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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.