Finding the Fourth Proportional to 1,197,140.17, 1,652,088.54 and 653,311.08
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Solution
The fourth proportional to 1,197,140.17, 1,652,088.54 and 653,311.08 is: 901,588.45
Step by Step Solution
- Step 1: Write the proportion equation
1,197,140.17 : 1,652,088.54 = 653,311.08 : x - Step 2: Convert to fraction form
1,197,140.17/1,652,088.54 = 653,311.08/x - Step 3: Cross multiply
1,197,140.17x = 1,652,088.54 × 653,311.08 - Step 4: Simplify right side
1,197,140.17x = 1,079,327,748,323.02 - Step 5: Solve for x
x = 1,079,327,748,323.02/1,197,140.17 - Step 6: Final answer
x = 901,588.45
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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.