Finding the Fourth Proportional to 1,007,744.18, 1,390,686.98 and 555,035.18
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Solution
The fourth proportional to 1,007,744.18, 1,390,686.98 and 555,035.18 is: 765,948.56
Step by Step Solution
- Step 1: Write the proportion equation
1,007,744.18 : 1,390,686.98 = 555,035.18 : x - Step 2: Convert to fraction form
1,007,744.18/1,390,686.98 = 555,035.18/x - Step 3: Cross multiply
1,007,744.18x = 1,390,686.98 × 555,035.18 - Step 4: Simplify right side
1,007,744.18x = 771,880,201,050.88 - Step 5: Solve for x
x = 771,880,201,050.88/1,007,744.18 - Step 6: Final answer
x = 765,948.56
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.