Finding the Fourth Proportional to 1,174,417.18, 1,620,809.47 and 658,258.75
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Solution
The fourth proportional to 1,174,417.18, 1,620,809.47 and 658,258.75 is: 908,460.84
Step by Step Solution
- Step 1: Write the proportion equation
1,174,417.18 : 1,620,809.47 = 658,258.75 : x - Step 2: Convert to fraction form
1,174,417.18/1,620,809.47 = 658,258.75/x - Step 3: Cross multiply
1,174,417.18x = 1,620,809.47 × 658,258.75 - Step 4: Simplify right side
1,174,417.18x = 1,066,912,015,710.36 - Step 5: Solve for x
x = 1,066,912,015,710.36/1,174,417.18 - Step 6: Final answer
x = 908,460.84
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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.