Finding the Fourth Proportional to 1,349,298.36, 1,862,246.16 and 776,226.60
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Solution
The fourth proportional to 1,349,298.36, 1,862,246.16 and 776,226.60 is: 1,071,316.06
Step by Step Solution
- Step 1: Write the proportion equation
1,349,298.36 : 1,862,246.16 = 776,226.60 : x - Step 2: Convert to fraction form
1,349,298.36/1,862,246.16 = 776,226.60/x - Step 3: Cross multiply
1,349,298.36x = 1,862,246.16 × 776,226.60 - Step 4: Simplify right side
1,349,298.36x = 1,445,525,005,139.86 - Step 5: Solve for x
x = 1,445,525,005,139.86/1,349,298.36 - Step 6: Final answer
x = 1,071,316.06
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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.