Finding the Fourth Proportional to 1,037,364.36, 1,431,569.05 and 578,507.93
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Solution
The fourth proportional to 1,037,364.36, 1,431,569.05 and 578,507.93 is: 798,344.42
Step by Step Solution
- Step 1: Write the proportion equation
1,037,364.36 : 1,431,569.05 = 578,507.93 : x - Step 2: Convert to fraction form
1,037,364.36/1,431,569.05 = 578,507.93/x - Step 3: Cross multiply
1,037,364.36x = 1,431,569.05 × 578,507.93 - Step 4: Simplify right side
1,037,364.36x = 828,174,041,367.19 - Step 5: Solve for x
x = 828,174,041,367.19/1,037,364.36 - Step 6: Final answer
x = 798,344.42
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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.