Home / 1,353,807.40-2,031,488.70-512,962.60

Finding the Fourth Proportional to 1,353,807.40, 2,031,488.70 and 512,962.60

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Solution

The fourth proportional to 1,353,807.40, 2,031,488.70 and 512,962.60 is: 769,738.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,807.40 : 2,031,488.70 = 512,962.60 : x
  2. Step 2: Convert to fraction form
    1,353,807.40/2,031,488.70 = 512,962.60/x
  3. Step 3: Cross multiply
    1,353,807.40x = 2,031,488.70 × 512,962.60
  4. Step 4: Simplify right side
    1,353,807.40x = 1,042,077,725,422.62
  5. Step 5: Solve for x
    x = 1,042,077,725,422.62/1,353,807.40
  6. Step 6: Final answer
    x = 769,738.54

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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.