Finding the Fourth Proportional to 1,445,345.28, 1,994,415.24 and 800,605.68
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Solution
The fourth proportional to 1,445,345.28, 1,994,415.24 and 800,605.68 is: 1,104,746.52
Step by Step Solution
- Step 1: Write the proportion equation
1,445,345.28 : 1,994,415.24 = 800,605.68 : x - Step 2: Convert to fraction form
1,445,345.28/1,994,415.24 = 800,605.68/x - Step 3: Cross multiply
1,445,345.28x = 1,994,415.24 × 800,605.68 - Step 4: Simplify right side
1,445,345.28x = 1,596,740,169,422.56 - Step 5: Solve for x
x = 1,596,740,169,422.56/1,445,345.28 - Step 6: Final answer
x = 1,104,746.52
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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.