Home / 999,155.48-1,378,845.44-546,436.76

Finding the Fourth Proportional to 999,155.48, 1,378,845.44 and 546,436.76

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Solution

The fourth proportional to 999,155.48, 1,378,845.44 and 546,436.76 is: 754,088.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,155.48 : 1,378,845.44 = 546,436.76 : x
  2. Step 2: Convert to fraction form
    999,155.48/1,378,845.44 = 546,436.76/x
  3. Step 3: Cross multiply
    999,155.48x = 1,378,845.44 × 546,436.76
  4. Step 4: Simplify right side
    999,155.48x = 753,451,834,774.37
  5. Step 5: Solve for x
    x = 753,451,834,774.37/999,155.48
  6. Step 6: Final answer
    x = 754,088.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.