Finding the Fourth Proportional to 1,130,106.22, 1,559,955.99 and 748,256.02
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Solution
The fourth proportional to 1,130,106.22, 1,559,955.99 and 748,256.02 is: 1,032,864.38
Step by Step Solution
- Step 1: Write the proportion equation
1,130,106.22 : 1,559,955.99 = 748,256.02 : x - Step 2: Convert to fraction form
1,130,106.22/1,559,955.99 = 748,256.02/x - Step 3: Cross multiply
1,130,106.22x = 1,559,955.99 × 748,256.02 - Step 4: Simplify right side
1,130,106.22x = 1,167,246,460,452.56 - Step 5: Solve for x
x = 1,167,246,460,452.56/1,130,106.22 - Step 6: Final answer
x = 1,032,864.38
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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.