Home / 1,353,801.40-2,031,479.70-512,956.60

Finding the Fourth Proportional to 1,353,801.40, 2,031,479.70 and 512,956.60

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Solution

The fourth proportional to 1,353,801.40, 2,031,479.70 and 512,956.60 is: 769,729.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,801.40 : 2,031,479.70 = 512,956.60 : x
  2. Step 2: Convert to fraction form
    1,353,801.40/2,031,479.70 = 512,956.60/x
  3. Step 3: Cross multiply
    1,353,801.40x = 2,031,479.70 × 512,956.60
  4. Step 4: Simplify right side
    1,353,801.40x = 1,042,060,919,881.02
  5. Step 5: Solve for x
    x = 1,042,060,919,881.02/1,353,801.40
  6. Step 6: Final answer
    x = 769,729.53

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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.