Finding the Fourth Proportional to 1,521,128.99, 2,281,997.94 and 561,590.43
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Solution
The fourth proportional to 1,521,128.99, 2,281,997.94 and 561,590.43 is: 842,498.05
Step by Step Solution
- Step 1: Write the proportion equation
1,521,128.99 : 2,281,997.94 = 561,590.43 : x - Step 2: Convert to fraction form
1,521,128.99/2,281,997.94 = 561,590.43/x - Step 3: Cross multiply
1,521,128.99x = 2,281,997.94 × 561,590.43 - Step 4: Simplify right side
1,521,128.99x = 1,281,548,204,383.71 - Step 5: Solve for x
x = 1,281,548,204,383.71/1,521,128.99 - Step 6: Final answer
x = 842,498.05
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.