Home / 1,429,684.40-2,144,941.65-576,315.65

Finding the Fourth Proportional to 1,429,684.40, 2,144,941.65 and 576,315.65

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Solution

The fourth proportional to 1,429,684.40, 2,144,941.65 and 576,315.65 is: 864,640.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,684.40 : 2,144,941.65 = 576,315.65 : x
  2. Step 2: Convert to fraction form
    1,429,684.40/2,144,941.65 = 576,315.65/x
  3. Step 3: Cross multiply
    1,429,684.40x = 2,144,941.65 × 576,315.65
  4. Step 4: Simplify right side
    1,429,684.40x = 1,236,163,430,507.11
  5. Step 5: Solve for x
    x = 1,236,163,430,507.11/1,429,684.40
  6. Step 6: Final answer
    x = 864,640.78

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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.