Finding the Fourth Proportional to 1,053,783.95, 1,454,257.26 and 645,807.13
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Solution
The fourth proportional to 1,053,783.95, 1,454,257.26 and 645,807.13 is: 891,235.54
Step by Step Solution
- Step 1: Write the proportion equation
1,053,783.95 : 1,454,257.26 = 645,807.13 : x - Step 2: Convert to fraction form
1,053,783.95/1,454,257.26 = 645,807.13/x - Step 3: Cross multiply
1,053,783.95x = 1,454,257.26 × 645,807.13 - Step 4: Simplify right side
1,053,783.95x = 939,169,703,726.62 - Step 5: Solve for x
x = 939,169,703,726.62/1,053,783.95 - Step 6: Final answer
x = 891,235.54
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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.