Finding the Fourth Proportional to 1,430,445.68, 1,973,518.67 and 914,501.58
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Solution
The fourth proportional to 1,430,445.68, 1,973,518.67 and 914,501.58 is: 1,261,694.85
Step by Step Solution
- Step 1: Write the proportion equation
1,430,445.68 : 1,973,518.67 = 914,501.58 : x - Step 2: Convert to fraction form
1,430,445.68/1,973,518.67 = 914,501.58/x - Step 3: Cross multiply
1,430,445.68x = 1,973,518.67 × 914,501.58 - Step 4: Simplify right side
1,430,445.68x = 1,804,785,937,301.99 - Step 5: Solve for x
x = 1,804,785,937,301.99/1,430,445.68 - Step 6: Final answer
x = 1,261,694.85
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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.