Finding the Fourth Proportional to 1,055,974.19, 1,457,237.40 and 572,537.84
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Solution
The fourth proportional to 1,055,974.19, 1,457,237.40 and 572,537.84 is: 790,098.43
Step by Step Solution
- Step 1: Write the proportion equation
1,055,974.19 : 1,457,237.40 = 572,537.84 : x - Step 2: Convert to fraction form
1,055,974.19/1,457,237.40 = 572,537.84/x - Step 3: Cross multiply
1,055,974.19x = 1,457,237.40 × 572,537.84 - Step 4: Simplify right side
1,055,974.19x = 834,323,553,363.22 - Step 5: Solve for x
x = 834,323,553,363.22/1,055,974.19 - Step 6: Final answer
x = 790,098.43
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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.