Home / 979,250.40-1,470,949.20-943,999.20

Finding the Fourth Proportional to 979,250.40, 1,470,949.20 and 943,999.20

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Solution

The fourth proportional to 979,250.40, 1,470,949.20 and 943,999.20 is: 1,417,997.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,250.40 : 1,470,949.20 = 943,999.20 : x
  2. Step 2: Convert to fraction form
    979,250.40/1,470,949.20 = 943,999.20/x
  3. Step 3: Cross multiply
    979,250.40x = 1,470,949.20 × 943,999.20
  4. Step 4: Simplify right side
    979,250.40x = 1,388,574,868,040.64
  5. Step 5: Solve for x
    x = 1,388,574,868,040.64/979,250.40
  6. Step 6: Final answer
    x = 1,417,997.75

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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.