Finding the Fourth Proportional to 1,038,056.16, 1,432,272.96 and 630,148.08
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Solution
The fourth proportional to 1,038,056.16, 1,432,272.96 and 630,148.08 is: 869,455.90
Step by Step Solution
- Step 1: Write the proportion equation
1,038,056.16 : 1,432,272.96 = 630,148.08 : x - Step 2: Convert to fraction form
1,038,056.16/1,432,272.96 = 630,148.08/x - Step 3: Cross multiply
1,038,056.16x = 1,432,272.96 × 630,148.08 - Step 4: Simplify right side
1,038,056.16x = 902,544,055,779.92 - Step 5: Solve for x
x = 902,544,055,779.92/1,038,056.16 - Step 6: Final answer
x = 869,455.90
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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.