Home / 991,939.10-1,491,019.05-973,276.70

Finding the Fourth Proportional to 991,939.10, 1,491,019.05 and 973,276.70

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Solution

The fourth proportional to 991,939.10, 1,491,019.05 and 973,276.70 is: 1,462,966.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,939.10 : 1,491,019.05 = 973,276.70 : x
  2. Step 2: Convert to fraction form
    991,939.10/1,491,019.05 = 973,276.70/x
  3. Step 3: Cross multiply
    991,939.10x = 1,491,019.05 × 973,276.70
  4. Step 4: Simplify right side
    991,939.10x = 1,451,174,100,621.14
  5. Step 5: Solve for x
    x = 1,451,174,100,621.14/991,939.10
  6. Step 6: Final answer
    x = 1,462,966.93

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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.