Home / 1,509,985.75-2,265,333.36-499,107.76

Finding the Fourth Proportional to 1,509,985.75, 2,265,333.36 and 499,107.76

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Solution

The fourth proportional to 1,509,985.75, 2,265,333.36 and 499,107.76 is: 748,778.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,509,985.75 : 2,265,333.36 = 499,107.76 : x
  2. Step 2: Convert to fraction form
    1,509,985.75/2,265,333.36 = 499,107.76/x
  3. Step 3: Cross multiply
    1,509,985.75x = 2,265,333.36 × 499,107.76
  4. Step 4: Simplify right side
    1,509,985.75x = 1,130,645,466,977.87
  5. Step 5: Solve for x
    x = 1,130,645,466,977.87/1,509,985.75
  6. Step 6: Final answer
    x = 748,778.90

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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.