Finding the Fourth Proportional to 1,316,864.91, 1,817,421.06 and 743,941.99
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Solution
The fourth proportional to 1,316,864.91, 1,817,421.06 and 743,941.99 is: 1,026,723.27
Step by Step Solution
- Step 1: Write the proportion equation
1,316,864.91 : 1,817,421.06 = 743,941.99 : x - Step 2: Convert to fraction form
1,316,864.91/1,817,421.06 = 743,941.99/x - Step 3: Cross multiply
1,316,864.91x = 1,817,421.06 × 743,941.99 - Step 4: Simplify right side
1,316,864.91x = 1,352,055,840,044.31 - Step 5: Solve for x
x = 1,352,055,840,044.31/1,316,864.91 - Step 6: Final answer
x = 1,026,723.27
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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.