Home / 1,107,187.80-1,528,032.24-677,751.72

Finding the Fourth Proportional to 1,107,187.80, 1,528,032.24 and 677,751.72

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Solution

The fourth proportional to 1,107,187.80, 1,528,032.24 and 677,751.72 is: 935,366.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,187.80 : 1,528,032.24 = 677,751.72 : x
  2. Step 2: Convert to fraction form
    1,107,187.80/1,528,032.24 = 677,751.72/x
  3. Step 3: Cross multiply
    1,107,187.80x = 1,528,032.24 × 677,751.72
  4. Step 4: Simplify right side
    1,107,187.80x = 1,035,626,478,875.45
  5. Step 5: Solve for x
    x = 1,035,626,478,875.45/1,107,187.80
  6. Step 6: Final answer
    x = 935,366.59

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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.