Finding the Fourth Proportional to 1,053,490.41, 1,453,783.55 and 623,774.07
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Solution
The fourth proportional to 1,053,490.41, 1,453,783.55 and 623,774.07 is: 860,788.55
Step by Step Solution
- Step 1: Write the proportion equation
1,053,490.41 : 1,453,783.55 = 623,774.07 : x - Step 2: Convert to fraction form
1,053,490.41/1,453,783.55 = 623,774.07/x - Step 3: Cross multiply
1,053,490.41x = 1,453,783.55 × 623,774.07 - Step 4: Simplify right side
1,053,490.41x = 906,832,478,763.68 - Step 5: Solve for x
x = 906,832,478,763.68/1,053,490.41 - Step 6: Final answer
x = 860,788.55
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1.5x scale
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.