Finding the Fourth Proportional to 1,185,730.80, 1,778,927.28 and 476,257.08
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Solution
The fourth proportional to 1,185,730.80, 1,778,927.28 and 476,257.08 is: 714,518.60
Step by Step Solution
- Step 1: Write the proportion equation
1,185,730.80 : 1,778,927.28 = 476,257.08 : x - Step 2: Convert to fraction form
1,185,730.80/1,778,927.28 = 476,257.08/x - Step 3: Cross multiply
1,185,730.80x = 1,778,927.28 × 476,257.08 - Step 4: Simplify right side
1,185,730.80x = 847,226,711,905.14 - Step 5: Solve for x
x = 847,226,711,905.14/1,185,730.80 - Step 6: Final answer
x = 714,518.60
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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.