Finding the Fourth Proportional to 1,091,693.99, 1,637,315.45 and 292,785.63
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Solution
The fourth proportional to 1,091,693.99, 1,637,315.45 and 292,785.63 is: 439,117.96
Step by Step Solution
- Step 1: Write the proportion equation
1,091,693.99 : 1,637,315.45 = 292,785.63 : x - Step 2: Convert to fraction form
1,091,693.99/1,637,315.45 = 292,785.63/x - Step 3: Cross multiply
1,091,693.99x = 1,637,315.45 × 292,785.63 - Step 4: Simplify right side
1,091,693.99x = 479,382,435,536.98 - Step 5: Solve for x
x = 479,382,435,536.98/1,091,693.99 - Step 6: Final answer
x = 439,117.96
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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.