Home / 1,012,865.80-1,519,298.70-264,911.80

Finding the Fourth Proportional to 1,012,865.80, 1,519,298.70 and 264,911.80

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Solution

The fourth proportional to 1,012,865.80, 1,519,298.70 and 264,911.80 is: 397,367.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,865.80 : 1,519,298.70 = 264,911.80 : x
  2. Step 2: Convert to fraction form
    1,012,865.80/1,519,298.70 = 264,911.80/x
  3. Step 3: Cross multiply
    1,012,865.80x = 1,519,298.70 × 264,911.80
  4. Step 4: Simplify right side
    1,012,865.80x = 402,480,153,354.66
  5. Step 5: Solve for x
    x = 402,480,153,354.66/1,012,865.80
  6. Step 6: Final answer
    x = 397,367.70

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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.