Finding the Fourth Proportional to 1,130,564.58, 1,560,265.92 and 647,281.32
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Solution
The fourth proportional to 1,130,564.58, 1,560,265.92 and 647,281.32 is: 893,297.92
Step by Step Solution
- Step 1: Write the proportion equation
1,130,564.58 : 1,560,265.92 = 647,281.32 : x - Step 2: Convert to fraction form
1,130,564.58/1,560,265.92 = 647,281.32/x - Step 3: Cross multiply
1,130,564.58x = 1,560,265.92 × 647,281.32 - Step 4: Simplify right side
1,130,564.58x = 1,009,930,984,248.61 - Step 5: Solve for x
x = 1,009,930,984,248.61/1,130,564.58 - Step 6: Final answer
x = 893,297.92
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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.