Home / 1,029,400.20-1,544,706.90-430,315.20

Finding the Fourth Proportional to 1,029,400.20, 1,544,706.90 and 430,315.20

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Solution

The fourth proportional to 1,029,400.20, 1,544,706.90 and 430,315.20 is: 645,726.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,400.20 : 1,544,706.90 = 430,315.20 : x
  2. Step 2: Convert to fraction form
    1,029,400.20/1,544,706.90 = 430,315.20/x
  3. Step 3: Cross multiply
    1,029,400.20x = 1,544,706.90 × 430,315.20
  4. Step 4: Simplify right side
    1,029,400.20x = 664,710,858,614.88
  5. Step 5: Solve for x
    x = 664,710,858,614.88/1,029,400.20
  6. Step 6: Final answer
    x = 645,726.37

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1.5x scale

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.