Home / 1,510,989.72-2,266,730.76-446,139.48

Finding the Fourth Proportional to 1,510,989.72, 2,266,730.76 and 446,139.48

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Solution

The fourth proportional to 1,510,989.72, 2,266,730.76 and 446,139.48 is: 669,281.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510,989.72 : 2,266,730.76 = 446,139.48 : x
  2. Step 2: Convert to fraction form
    1,510,989.72/2,266,730.76 = 446,139.48/x
  3. Step 3: Cross multiply
    1,510,989.72x = 2,266,730.76 × 446,139.48
  4. Step 4: Simplify right side
    1,510,989.72x = 1,011,278,082,566.40
  5. Step 5: Solve for x
    x = 1,011,278,082,566.40/1,510,989.72
  6. Step 6: Final answer
    x = 669,281.91

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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.