Finding the Fourth Proportional to 1,154,637.91, 1,593,372.76 and 645,387.67
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Solution
The fourth proportional to 1,154,637.91, 1,593,372.76 and 645,387.67 is: 890,619.58
Step by Step Solution
- Step 1: Write the proportion equation
1,154,637.91 : 1,593,372.76 = 645,387.67 : x - Step 2: Convert to fraction form
1,154,637.91/1,593,372.76 = 645,387.67/x - Step 3: Cross multiply
1,154,637.91x = 1,593,372.76 × 645,387.67 - Step 4: Simplify right side
1,154,637.91x = 1,028,343,133,017.87 - Step 5: Solve for x
x = 1,028,343,133,017.87/1,154,637.91 - Step 6: Final answer
x = 890,619.58
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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.