Finding the Fourth Proportional to 1,031,341.55, 1,423,224 and 572,454.81
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Solution
The fourth proportional to 1,031,341.55, 1,423,224 and 572,454.81 is: 789,972.47
Step by Step Solution
- Step 1: Write the proportion equation
1,031,341.55 : 1,423,224 = 572,454.81 : x - Step 2: Convert to fraction form
1,031,341.55/1,423,224 = 572,454.81/x - Step 3: Cross multiply
1,031,341.55x = 1,423,224 × 572,454.81 - Step 4: Simplify right side
1,031,341.55x = 814,731,424,507.44 - Step 5: Solve for x
x = 814,731,424,507.44/1,031,341.55 - Step 6: Final answer
x = 789,972.47
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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.