Home / 999,210.88-1,378,940.16-546,532.48

Finding the Fourth Proportional to 999,210.88, 1,378,940.16 and 546,532.48

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Solution

The fourth proportional to 999,210.88, 1,378,940.16 and 546,532.48 is: 754,230.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,210.88 : 1,378,940.16 = 546,532.48 : x
  2. Step 2: Convert to fraction form
    999,210.88/1,378,940.16 = 546,532.48/x
  3. Step 3: Cross multiply
    999,210.88x = 1,378,940.16 × 546,532.48
  4. Step 4: Simplify right side
    999,210.88x = 753,635,585,416.40
  5. Step 5: Solve for x
    x = 753,635,585,416.40/999,210.88
  6. Step 6: Final answer
    x = 754,230.76

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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.