Finding the Fourth Proportional to 1,025,781.84, 1,415,535.35 and 566,913.60
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Solution
The fourth proportional to 1,025,781.84, 1,415,535.35 and 566,913.60 is: 782,316.68
Step by Step Solution
- Step 1: Write the proportion equation
1,025,781.84 : 1,415,535.35 = 566,913.60 : x - Step 2: Convert to fraction form
1,025,781.84/1,415,535.35 = 566,913.60/x - Step 3: Cross multiply
1,025,781.84x = 1,415,535.35 × 566,913.60 - Step 4: Simplify right side
1,025,781.84x = 802,486,238,361.19 - Step 5: Solve for x
x = 802,486,238,361.19/1,025,781.84 - Step 6: Final answer
x = 782,316.68
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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.