Home / 1,375,905.40-2,063,858.10-738,176.20

Finding the Fourth Proportional to 1,375,905.40, 2,063,858.10 and 738,176.20

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Solution

The fourth proportional to 1,375,905.40, 2,063,858.10 and 738,176.20 is: 1,107,264.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,905.40 : 2,063,858.10 = 738,176.20 : x
  2. Step 2: Convert to fraction form
    1,375,905.40/2,063,858.10 = 738,176.20/x
  3. Step 3: Cross multiply
    1,375,905.40x = 2,063,858.10 × 738,176.20
  4. Step 4: Simplify right side
    1,375,905.40x = 1,523,490,929,597.22
  5. Step 5: Solve for x
    x = 1,523,490,929,597.22/1,375,905.40
  6. Step 6: Final answer
    x = 1,107,264.30

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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.