Home / 999,099.56-1,378,790.20-546,390.56

Finding the Fourth Proportional to 999,099.56, 1,378,790.20 and 546,390.56

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Solution

The fourth proportional to 999,099.56, 1,378,790.20 and 546,390.56 is: 754,036.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,099.56 : 1,378,790.20 = 546,390.56 : x
  2. Step 2: Convert to fraction form
    999,099.56/1,378,790.20 = 546,390.56/x
  3. Step 3: Cross multiply
    999,099.56x = 1,378,790.20 × 546,390.56
  4. Step 4: Simplify right side
    999,099.56x = 753,357,953,630.48
  5. Step 5: Solve for x
    x = 753,357,953,630.48/999,099.56
  6. Step 6: Final answer
    x = 754,036.92

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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.