Finding the Fourth Proportional to 1,043,451.49, 1,439,959.84 and 578,335.02
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Solution
The fourth proportional to 1,043,451.49, 1,439,959.84 and 578,335.02 is: 798,100.55
Step by Step Solution
- Step 1: Write the proportion equation
1,043,451.49 : 1,439,959.84 = 578,335.02 : x - Step 2: Convert to fraction form
1,043,451.49/1,439,959.84 = 578,335.02/x - Step 3: Cross multiply
1,043,451.49x = 1,439,959.84 × 578,335.02 - Step 4: Simplify right side
1,043,451.49x = 832,779,202,865.60 - Step 5: Solve for x
x = 832,779,202,865.60/1,043,451.49 - Step 6: Final answer
x = 798,100.55
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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.