Home / 909,266.40-1,363,899.60-741,304.80

Finding the Fourth Proportional to 909,266.40, 1,363,899.60 and 741,304.80

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Solution

The fourth proportional to 909,266.40, 1,363,899.60 and 741,304.80 is: 1,111,957.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,266.40 : 1,363,899.60 = 741,304.80 : x
  2. Step 2: Convert to fraction form
    909,266.40/1,363,899.60 = 741,304.80/x
  3. Step 3: Cross multiply
    909,266.40x = 1,363,899.60 × 741,304.80
  4. Step 4: Simplify right side
    909,266.40x = 1,011,065,320,198.08
  5. Step 5: Solve for x
    x = 1,011,065,320,198.08/909,266.40
  6. Step 6: Final answer
    x = 1,111,957.20

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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.