Finding the Fourth Proportional to 1,292,746.63, 1,939,047.05 and 572,881
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Solution
The fourth proportional to 1,292,746.63, 1,939,047.05 and 572,881 is: 859,289.20
Step by Step Solution
- Step 1: Write the proportion equation
1,292,746.63 : 1,939,047.05 = 572,881 : x - Step 2: Convert to fraction form
1,292,746.63/1,939,047.05 = 572,881/x - Step 3: Cross multiply
1,292,746.63x = 1,939,047.05 × 572,881 - Step 4: Simplify right side
1,292,746.63x = 1,110,843,213,051.05 - Step 5: Solve for x
x = 1,110,843,213,051.05/1,292,746.63 - Step 6: Final answer
x = 859,289.20
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.