Home / 1,142,421.72-1,576,532.16-626,204.28

Finding the Fourth Proportional to 1,142,421.72, 1,576,532.16 and 626,204.28

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Solution

The fourth proportional to 1,142,421.72, 1,576,532.16 and 626,204.28 is: 864,156.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,421.72 : 1,576,532.16 = 626,204.28 : x
  2. Step 2: Convert to fraction form
    1,142,421.72/1,576,532.16 = 626,204.28/x
  3. Step 3: Cross multiply
    1,142,421.72x = 1,576,532.16 × 626,204.28
  4. Step 4: Simplify right side
    1,142,421.72x = 987,231,186,149.65
  5. Step 5: Solve for x
    x = 987,231,186,149.65/1,142,421.72
  6. Step 6: Final answer
    x = 864,156.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.