Finding the Fourth Proportional to 1,357,208.31, 1,873,674.62 and 1,046,432.14
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Solution
The fourth proportional to 1,357,208.31, 1,873,674.62 and 1,046,432.14 is: 1,444,636.99
Step by Step Solution
- Step 1: Write the proportion equation
1,357,208.31 : 1,873,674.62 = 1,046,432.14 : x - Step 2: Convert to fraction form
1,357,208.31/1,873,674.62 = 1,046,432.14/x - Step 3: Cross multiply
1,357,208.31x = 1,873,674.62 × 1,046,432.14 - Step 4: Simplify right side
1,357,208.31x = 1,960,673,336,278.06 - Step 5: Solve for x
x = 1,960,673,336,278.06/1,357,208.31 - Step 6: Final answer
x = 1,444,636.99
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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.