Home / 1,204,561.12-1,803,685.20-847,642.72

Finding the Fourth Proportional to 1,204,561.12, 1,803,685.20 and 847,642.72

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Solution

The fourth proportional to 1,204,561.12, 1,803,685.20 and 847,642.72 is: 1,269,242.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,561.12 : 1,803,685.20 = 847,642.72 : x
  2. Step 2: Convert to fraction form
    1,204,561.12/1,803,685.20 = 847,642.72/x
  3. Step 3: Cross multiply
    1,204,561.12x = 1,803,685.20 × 847,642.72
  4. Step 4: Simplify right side
    1,204,561.12x = 1,528,880,628,951.74
  5. Step 5: Solve for x
    x = 1,528,880,628,951.74/1,204,561.12
  6. Step 6: Final answer
    x = 1,269,242.88

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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.