Finding the Fourth Proportional to 1,116,055.90, 1,673,682.44 and 386,380.99
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Solution
The fourth proportional to 1,116,055.90, 1,673,682.44 and 386,380.99 is: 579,432.51
Step by Step Solution
- Step 1: Write the proportion equation
1,116,055.90 : 1,673,682.44 = 386,380.99 : x - Step 2: Convert to fraction form
1,116,055.90/1,673,682.44 = 386,380.99/x - Step 3: Cross multiply
1,116,055.90x = 1,673,682.44 × 386,380.99 - Step 4: Simplify right side
1,116,055.90x = 646,679,071,031.94 - Step 5: Solve for x
x = 646,679,071,031.94/1,116,055.90 - Step 6: Final answer
x = 579,432.51
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.