Finding the Fourth Proportional to 1,434,794.94, 1,980,106.56 and 790,214.96
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Solution
The fourth proportional to 1,434,794.94, 1,980,106.56 and 790,214.96 is: 1,090,545.96
Step by Step Solution
- Step 1: Write the proportion equation
1,434,794.94 : 1,980,106.56 = 790,214.96 : x - Step 2: Convert to fraction form
1,434,794.94/1,980,106.56 = 790,214.96/x - Step 3: Cross multiply
1,434,794.94x = 1,980,106.56 × 790,214.96 - Step 4: Simplify right side
1,434,794.94x = 1,564,709,821,155.87 - Step 5: Solve for x
x = 1,564,709,821,155.87/1,434,794.94 - Step 6: Final answer
x = 1,090,545.96
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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.