Home / 1,385,267.80-2,074,148.16-719,020.12

Finding the Fourth Proportional to 1,385,267.80, 2,074,148.16 and 719,020.12

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Solution

The fourth proportional to 1,385,267.80, 2,074,148.16 and 719,020.12 is: 1,076,581.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,267.80 : 2,074,148.16 = 719,020.12 : x
  2. Step 2: Convert to fraction form
    1,385,267.80/2,074,148.16 = 719,020.12/x
  3. Step 3: Cross multiply
    1,385,267.80x = 2,074,148.16 × 719,020.12
  4. Step 4: Simplify right side
    1,385,267.80x = 1,491,354,258,900.98
  5. Step 5: Solve for x
    x = 1,491,354,258,900.98/1,385,267.80
  6. Step 6: Final answer
    x = 1,076,581.91

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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.