Finding the Fourth Proportional to 1,043,508.80, 1,565,964.64 and 369,587.68
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Solution
The fourth proportional to 1,043,508.80, 1,565,964.64 and 369,587.68 is: 554,629.95
Step by Step Solution
- Step 1: Write the proportion equation
1,043,508.80 : 1,565,964.64 = 369,587.68 : x - Step 2: Convert to fraction form
1,043,508.80/1,565,964.64 = 369,587.68/x - Step 3: Cross multiply
1,043,508.80x = 1,565,964.64 × 369,587.68 - Step 4: Simplify right side
1,043,508.80x = 578,761,238,259.64 - Step 5: Solve for x
x = 578,761,238,259.64/1,043,508.80 - Step 6: Final answer
x = 554,629.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.