Finding the Fourth Proportional to 1,403,707.08, 1,937,307.06 and 859,873.08
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Solution
The fourth proportional to 1,403,707.08, 1,937,307.06 and 859,873.08 is: 1,186,742.03
Step by Step Solution
- Step 1: Write the proportion equation
1,403,707.08 : 1,937,307.06 = 859,873.08 : x - Step 2: Convert to fraction form
1,403,707.08/1,937,307.06 = 859,873.08/x - Step 3: Cross multiply
1,403,707.08x = 1,937,307.06 × 859,873.08 - Step 4: Simplify right side
1,403,707.08x = 1,665,838,188,587.94 - Step 5: Solve for x
x = 1,665,838,188,587.94/1,403,707.08 - Step 6: Final answer
x = 1,186,742.03
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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.