Finding the Fourth Proportional to 1,053,663.12, 1,454,058.81 and 570,228.12
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Solution
The fourth proportional to 1,053,663.12, 1,454,058.81 and 570,228.12 is: 786,916.81
Step by Step Solution
- Step 1: Write the proportion equation
1,053,663.12 : 1,454,058.81 = 570,228.12 : x - Step 2: Convert to fraction form
1,053,663.12/1,454,058.81 = 570,228.12/x - Step 3: Cross multiply
1,053,663.12x = 1,454,058.81 × 570,228.12 - Step 4: Simplify right side
1,053,663.12x = 829,145,221,595.74 - Step 5: Solve for x
x = 829,145,221,595.74/1,053,663.12 - Step 6: Final answer
x = 786,916.81
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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.