Finding the Fourth Proportional to 1,354,331.60, 1,868,937.14 and 742,463.44
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Solution
The fourth proportional to 1,354,331.60, 1,868,937.14 and 742,463.44 is: 1,024,577.36
Step by Step Solution
- Step 1: Write the proportion equation
1,354,331.60 : 1,868,937.14 = 742,463.44 : x - Step 2: Convert to fraction form
1,354,331.60/1,868,937.14 = 742,463.44/x - Step 3: Cross multiply
1,354,331.60x = 1,868,937.14 × 742,463.44 - Step 4: Simplify right side
1,354,331.60x = 1,387,617,495,291.98 - Step 5: Solve for x
x = 1,387,617,495,291.98/1,354,331.60 - Step 6: Final answer
x = 1,024,577.36
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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.