Finding the Fourth Proportional to 1,239,898.08, 1,858,071.06 and 706,317.42
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Solution
The fourth proportional to 1,239,898.08, 1,858,071.06 and 706,317.42 is: 1,058,464.38
Step by Step Solution
- Step 1: Write the proportion equation
1,239,898.08 : 1,858,071.06 = 706,317.42 : x - Step 2: Convert to fraction form
1,239,898.08/1,858,071.06 = 706,317.42/x - Step 3: Cross multiply
1,239,898.08x = 1,858,071.06 × 706,317.42 - Step 4: Simplify right side
1,239,898.08x = 1,312,387,957,275.87 - Step 5: Solve for x
x = 1,312,387,957,275.87/1,239,898.08 - Step 6: Final answer
x = 1,058,464.38
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.