Home / 1,257,447.86-1,885,113.78-546,940.76

Finding the Fourth Proportional to 1,257,447.86, 1,885,113.78 and 546,940.76

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Solution

The fourth proportional to 1,257,447.86, 1,885,113.78 and 546,940.76 is: 819,950.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,447.86 : 1,885,113.78 = 546,940.76 : x
  2. Step 2: Convert to fraction form
    1,257,447.86/1,885,113.78 = 546,940.76/x
  3. Step 3: Cross multiply
    1,257,447.86x = 1,885,113.78 × 546,940.76
  4. Step 4: Simplify right side
    1,257,447.86x = 1,031,045,563,519.67
  5. Step 5: Solve for x
    x = 1,031,045,563,519.67/1,257,447.86
  6. Step 6: Final answer
    x = 819,950.95

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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.