Home / 1,107,165.16-1,528,000.78-677,729.08

Finding the Fourth Proportional to 1,107,165.16, 1,528,000.78 and 677,729.08

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Solution

The fourth proportional to 1,107,165.16, 1,528,000.78 and 677,729.08 is: 935,335.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,165.16 : 1,528,000.78 = 677,729.08 : x
  2. Step 2: Convert to fraction form
    1,107,165.16/1,528,000.78 = 677,729.08/x
  3. Step 3: Cross multiply
    1,107,165.16x = 1,528,000.78 × 677,729.08
  4. Step 4: Simplify right side
    1,107,165.16x = 1,035,570,562,868.68
  5. Step 5: Solve for x
    x = 1,035,570,562,868.68/1,107,165.16
  6. Step 6: Final answer
    x = 935,335.21

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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.