Finding the Fourth Proportional to 1,434,956.24, 1,980,329.35 and 790,376.26
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Solution
The fourth proportional to 1,434,956.24, 1,980,329.35 and 790,376.26 is: 1,090,768.67
Step by Step Solution
- Step 1: Write the proportion equation
1,434,956.24 : 1,980,329.35 = 790,376.26 : x - Step 2: Convert to fraction form
1,434,956.24/1,980,329.35 = 790,376.26/x - Step 3: Cross multiply
1,434,956.24x = 1,980,329.35 × 790,376.26 - Step 4: Simplify right side
1,434,956.24x = 1,565,205,307,202.66 - Step 5: Solve for x
x = 1,565,205,307,202.66/1,434,956.24 - Step 6: Final answer
x = 1,090,768.67
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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.