Home / 1,479,693.45-2,213,128.50-871,031.53

Finding the Fourth Proportional to 1,479,693.45, 2,213,128.50 and 871,031.53

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Solution

The fourth proportional to 1,479,693.45, 2,213,128.50 and 871,031.53 is: 1,302,773.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,479,693.45 : 2,213,128.50 = 871,031.53 : x
  2. Step 2: Convert to fraction form
    1,479,693.45/2,213,128.50 = 871,031.53/x
  3. Step 3: Cross multiply
    1,479,693.45x = 2,213,128.50 × 871,031.53
  4. Step 4: Simplify right side
    1,479,693.45x = 1,927,704,692,942.58
  5. Step 5: Solve for x
    x = 1,927,704,692,942.58/1,479,693.45
  6. Step 6: Final answer
    x = 1,302,773.02

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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.