Finding the Fourth Proportional to 1,031,363.92, 1,423,259.94 and 572,451.58
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Solution
The fourth proportional to 1,031,363.92, 1,423,259.94 and 572,451.58 is: 789,970.82
Step by Step Solution
- Step 1: Write the proportion equation
1,031,363.92 : 1,423,259.94 = 572,451.58 : x - Step 2: Convert to fraction form
1,031,363.92/1,423,259.94 = 572,451.58/x - Step 3: Cross multiply
1,031,363.92x = 1,423,259.94 × 572,451.58 - Step 4: Simplify right side
1,031,363.92x = 814,747,401,403.71 - Step 5: Solve for x
x = 814,747,401,403.71/1,031,363.92 - Step 6: Final answer
x = 789,970.82
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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.