Finding the Fourth Proportional to 963,417.55, 1,326,482.96 and 817,935.58
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Solution
The fourth proportional to 963,417.55, 1,326,482.96 and 817,935.58 is: 1,126,175.88
Step by Step Solution
- Step 1: Write the proportion equation
963,417.55 : 1,326,482.96 = 817,935.58 : x - Step 2: Convert to fraction form
963,417.55/1,326,482.96 = 817,935.58/x - Step 3: Cross multiply
963,417.55x = 1,326,482.96 × 817,935.58 - Step 4: Simplify right side
963,417.55x = 1,084,977,609,247.72 - Step 5: Solve for x
x = 1,084,977,609,247.72/963,417.55 - Step 6: Final answer
x = 1,126,175.88
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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.