Home / 850,966.40-1,275,137.40-738,117.20

Finding the Fourth Proportional to 850,966.40, 1,275,137.40 and 738,117.20

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Solution

The fourth proportional to 850,966.40, 1,275,137.40 and 738,117.20 is: 1,106,037.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,966.40 : 1,275,137.40 = 738,117.20 : x
  2. Step 2: Convert to fraction form
    850,966.40/1,275,137.40 = 738,117.20/x
  3. Step 3: Cross multiply
    850,966.40x = 1,275,137.40 × 738,117.20
  4. Step 4: Simplify right side
    850,966.40x = 941,200,847,303.28
  5. Step 5: Solve for x
    x = 941,200,847,303.28/850,966.40
  6. Step 6: Final answer
    x = 1,106,037.61

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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.