Finding the Fourth Proportional to 1,590,848.75, 2,195,417.42 and 865,743.23
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Solution
The fourth proportional to 1,590,848.75, 2,195,417.42 and 865,743.23 is: 1,194,750.76
Step by Step Solution
- Step 1: Write the proportion equation
1,590,848.75 : 2,195,417.42 = 865,743.23 : x - Step 2: Convert to fraction form
1,590,848.75/2,195,417.42 = 865,743.23/x - Step 3: Cross multiply
1,590,848.75x = 2,195,417.42 × 865,743.23 - Step 4: Simplify right side
1,590,848.75x = 1,900,667,753,083.26 - Step 5: Solve for x
x = 1,900,667,753,083.26/1,590,848.75 - Step 6: Final answer
x = 1,194,750.76
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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.