Finding the Fourth Proportional to 1,441,055.14, 1,988,663.87 and 787,682.05
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Solution
The fourth proportional to 1,441,055.14, 1,988,663.87 and 787,682.05 is: 1,087,005.49
Step by Step Solution
- Step 1: Write the proportion equation
1,441,055.14 : 1,988,663.87 = 787,682.05 : x - Step 2: Convert to fraction form
1,441,055.14/1,988,663.87 = 787,682.05/x - Step 3: Cross multiply
1,441,055.14x = 1,988,663.87 × 787,682.05 - Step 4: Simplify right side
1,441,055.14x = 1,566,434,839,533.06 - Step 5: Solve for x
x = 1,566,434,839,533.06/1,441,055.14 - Step 6: Final answer
x = 1,087,005.49
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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.