Finding the Fourth Proportional to 1,497,036.87, 2,065,886.78 and 817,958.79
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Solution
The fourth proportional to 1,497,036.87, 2,065,886.78 and 817,958.79 is: 1,128,769.96
Step by Step Solution
- Step 1: Write the proportion equation
1,497,036.87 : 2,065,886.78 = 817,958.79 : x - Step 2: Convert to fraction form
1,497,036.87/2,065,886.78 = 817,958.79/x - Step 3: Cross multiply
1,497,036.87x = 2,065,886.78 × 817,958.79 - Step 4: Simplify right side
1,497,036.87x = 1,689,810,246,756.00 - Step 5: Solve for x
x = 1,689,810,246,756.00/1,497,036.87 - Step 6: Final answer
x = 1,128,769.96
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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.