Home / 1,431,528.80-2,147,237.10-484,899.48

Finding the Fourth Proportional to 1,431,528.80, 2,147,237.10 and 484,899.48

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Solution

The fourth proportional to 1,431,528.80, 2,147,237.10 and 484,899.48 is: 727,330.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,528.80 : 2,147,237.10 = 484,899.48 : x
  2. Step 2: Convert to fraction form
    1,431,528.80/2,147,237.10 = 484,899.48/x
  3. Step 3: Cross multiply
    1,431,528.80x = 2,147,237.10 × 484,899.48
  4. Step 4: Simplify right side
    1,431,528.80x = 1,041,194,153,226.71
  5. Step 5: Solve for x
    x = 1,041,194,153,226.71/1,431,528.80
  6. Step 6: Final answer
    x = 727,330.22

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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.