Home / 838,220.52-1,262,931.40-758,359.82

Finding the Fourth Proportional to 838,220.52, 1,262,931.40 and 758,359.82

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Solution

The fourth proportional to 838,220.52, 1,262,931.40 and 758,359.82 is: 1,142,606.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,220.52 : 1,262,931.40 = 758,359.82 : x
  2. Step 2: Convert to fraction form
    838,220.52/1,262,931.40 = 758,359.82/x
  3. Step 3: Cross multiply
    838,220.52x = 1,262,931.40 × 758,359.82
  4. Step 4: Simplify right side
    838,220.52x = 957,756,429,176.35
  5. Step 5: Solve for x
    x = 957,756,429,176.35/838,220.52
  6. Step 6: Final answer
    x = 1,142,606.76

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.