Home / 1,107,166.78-1,528,002.99-677,730.70

Finding the Fourth Proportional to 1,107,166.78, 1,528,002.99 and 677,730.70

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Solution

The fourth proportional to 1,107,166.78, 1,528,002.99 and 677,730.70 is: 935,337.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,166.78 : 1,528,002.99 = 677,730.70 : x
  2. Step 2: Convert to fraction form
    1,107,166.78/1,528,002.99 = 677,730.70/x
  3. Step 3: Cross multiply
    1,107,166.78x = 1,528,002.99 × 677,730.70
  4. Step 4: Simplify right side
    1,107,166.78x = 1,035,574,536,014.79
  5. Step 5: Solve for x
    x = 1,035,574,536,014.79/1,107,166.78
  6. Step 6: Final answer
    x = 935,337.43

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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.