Finding the Fourth Proportional to 1,412,605.08, 2,118,860.34 and 613,886.63
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Solution
The fourth proportional to 1,412,605.08, 2,118,860.34 and 613,886.63 is: 920,809.39
Step by Step Solution
- Step 1: Write the proportion equation
1,412,605.08 : 2,118,860.34 = 613,886.63 : x - Step 2: Convert to fraction form
1,412,605.08/2,118,860.34 = 613,886.63/x - Step 3: Cross multiply
1,412,605.08x = 2,118,860.34 × 613,886.63 - Step 4: Simplify right side
1,412,605.08x = 1,300,740,031,353.30 - Step 5: Solve for x
x = 1,300,740,031,353.30/1,412,605.08 - Step 6: Final answer
x = 920,809.39
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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.