Home / 1,277,834.28-1,916,548.11-424,835.16

Finding the Fourth Proportional to 1,277,834.28, 1,916,548.11 and 424,835.16

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Solution

The fourth proportional to 1,277,834.28, 1,916,548.11 and 424,835.16 is: 637,185.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,834.28 : 1,916,548.11 = 424,835.16 : x
  2. Step 2: Convert to fraction form
    1,277,834.28/1,916,548.11 = 424,835.16/x
  3. Step 3: Cross multiply
    1,277,834.28x = 1,916,548.11 × 424,835.16
  4. Step 4: Simplify right side
    1,277,834.28x = 814,217,022,959.55
  5. Step 5: Solve for x
    x = 814,217,022,959.55/1,277,834.28
  6. Step 6: Final answer
    x = 637,185.15

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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.