Finding the Fourth Proportional to 1,072,176.08, 1,607,907.30 and 432,314.55
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Solution
The fourth proportional to 1,072,176.08, 1,607,907.30 and 432,314.55 is: 648,327.95
Step by Step Solution
- Step 1: Write the proportion equation
1,072,176.08 : 1,607,907.30 = 432,314.55 : x - Step 2: Convert to fraction form
1,072,176.08/1,607,907.30 = 432,314.55/x - Step 3: Cross multiply
1,072,176.08x = 1,607,907.30 × 432,314.55 - Step 4: Simplify right side
1,072,176.08x = 695,121,720,841.22 - Step 5: Solve for x
x = 695,121,720,841.22/1,072,176.08 - Step 6: Final answer
x = 648,327.95
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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.