Finding the Fourth Proportional to 1,155,643.14, 1,733,126.18 and 435,465.26
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Solution
The fourth proportional to 1,155,643.14, 1,733,126.18 and 435,465.26 is: 653,070.32
Step by Step Solution
- Step 1: Write the proportion equation
1,155,643.14 : 1,733,126.18 = 435,465.26 : x - Step 2: Convert to fraction form
1,155,643.14/1,733,126.18 = 435,465.26/x - Step 3: Cross multiply
1,155,643.14x = 1,733,126.18 × 435,465.26 - Step 4: Simplify right side
1,155,643.14x = 754,716,235,009.54 - Step 5: Solve for x
x = 754,716,235,009.54/1,155,643.14 - Step 6: Final answer
x = 653,070.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.