Finding the Fourth Proportional to 1,119,851.04, 1,545,327.84 and 636,349.08
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Solution
The fourth proportional to 1,119,851.04, 1,545,327.84 and 636,349.08 is: 878,123.89
Step by Step Solution
- Step 1: Write the proportion equation
1,119,851.04 : 1,545,327.84 = 636,349.08 : x - Step 2: Convert to fraction form
1,119,851.04/1,545,327.84 = 636,349.08/x - Step 3: Cross multiply
1,119,851.04x = 1,545,327.84 × 636,349.08 - Step 4: Simplify right side
1,119,851.04x = 983,367,949,282.39 - Step 5: Solve for x
x = 983,367,949,282.39/1,119,851.04 - Step 6: Final answer
x = 878,123.89
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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.