Finding the Fourth Proportional to 1,429,565.90, 1,972,703.36 and 785,027.84
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Solution
The fourth proportional to 1,429,565.90, 1,972,703.36 and 785,027.84 is: 1,083,284.83
Step by Step Solution
- Step 1: Write the proportion equation
1,429,565.90 : 1,972,703.36 = 785,027.84 : x - Step 2: Convert to fraction form
1,429,565.90/1,972,703.36 = 785,027.84/x - Step 3: Cross multiply
1,429,565.90x = 1,972,703.36 × 785,027.84 - Step 4: Simplify right side
1,429,565.90x = 1,548,627,049,760.60 - Step 5: Solve for x
x = 1,548,627,049,760.60/1,429,565.90 - Step 6: Final answer
x = 1,083,284.83
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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.