Finding the Fourth Proportional to 1,167,317.10, 1,610,623.53 and 708,420.96
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Solution
The fourth proportional to 1,167,317.10, 1,610,623.53 and 708,420.96 is: 977,454.60
Step by Step Solution
- Step 1: Write the proportion equation
1,167,317.10 : 1,610,623.53 = 708,420.96 : x - Step 2: Convert to fraction form
1,167,317.10/1,610,623.53 = 708,420.96/x - Step 3: Cross multiply
1,167,317.10x = 1,610,623.53 × 708,420.96 - Step 4: Simplify right side
1,167,317.10x = 1,140,999,467,321.19 - Step 5: Solve for x
x = 1,140,999,467,321.19/1,167,317.10 - Step 6: Final answer
x = 977,454.60
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.