Home / 1,257,445.86-1,885,110.78-546,938.76

Finding the Fourth Proportional to 1,257,445.86, 1,885,110.78 and 546,938.76

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Solution

The fourth proportional to 1,257,445.86, 1,885,110.78 and 546,938.76 is: 819,947.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,445.86 : 1,885,110.78 = 546,938.76 : x
  2. Step 2: Convert to fraction form
    1,257,445.86/1,885,110.78 = 546,938.76/x
  3. Step 3: Cross multiply
    1,257,445.86x = 1,885,110.78 × 546,938.76
  4. Step 4: Simplify right side
    1,257,445.86x = 1,031,040,152,475.83
  5. Step 5: Solve for x
    x = 1,031,040,152,475.83/1,257,445.86
  6. Step 6: Final answer
    x = 819,947.95

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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.