Finding the Fourth Proportional to 1,112,460.68, 1,668,756.18 and 429,351.23
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Solution
The fourth proportional to 1,112,460.68, 1,668,756.18 and 429,351.23 is: 644,051.99
Step by Step Solution
- Step 1: Write the proportion equation
1,112,460.68 : 1,668,756.18 = 429,351.23 : x - Step 2: Convert to fraction form
1,112,460.68/1,668,756.18 = 429,351.23/x - Step 3: Cross multiply
1,112,460.68x = 1,668,756.18 × 429,351.23 - Step 4: Simplify right side
1,112,460.68x = 716,482,521,819.96 - Step 5: Solve for x
x = 716,482,521,819.96/1,112,460.68 - Step 6: Final answer
x = 644,051.99
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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.