Finding the Fourth Proportional to 1,429,826.44, 1,973,160.12 and 785,246.80
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Solution
The fourth proportional to 1,429,826.44, 1,973,160.12 and 785,246.80 is: 1,083,640.38
Step by Step Solution
- Step 1: Write the proportion equation
1,429,826.44 : 1,973,160.12 = 785,246.80 : x - Step 2: Convert to fraction form
1,429,826.44/1,973,160.12 = 785,246.80/x - Step 3: Cross multiply
1,429,826.44x = 1,973,160.12 × 785,246.80 - Step 4: Simplify right side
1,429,826.44x = 1,549,417,670,117.62 - Step 5: Solve for x
x = 1,549,417,670,117.62/1,429,826.44 - Step 6: Final answer
x = 1,083,640.38
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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.