Finding the Fourth Proportional to 1,172,360.12, 1,617,343.30 and 688,707.08
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Solution
The fourth proportional to 1,172,360.12, 1,617,343.30 and 688,707.08 is: 950,114.02
Step by Step Solution
- Step 1: Write the proportion equation
1,172,360.12 : 1,617,343.30 = 688,707.08 : x - Step 2: Convert to fraction form
1,172,360.12/1,617,343.30 = 688,707.08/x - Step 3: Cross multiply
1,172,360.12x = 1,617,343.30 × 688,707.08 - Step 4: Simplify right side
1,172,360.12x = 1,113,875,781,500.56 - Step 5: Solve for x
x = 1,113,875,781,500.56/1,172,360.12 - Step 6: Final answer
x = 950,114.02
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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.