Home / 1,029,404.70-1,544,713.65-430,319.70

Finding the Fourth Proportional to 1,029,404.70, 1,544,713.65 and 430,319.70

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Solution

The fourth proportional to 1,029,404.70, 1,544,713.65 and 430,319.70 is: 645,733.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,404.70 : 1,544,713.65 = 430,319.70 : x
  2. Step 2: Convert to fraction form
    1,029,404.70/1,544,713.65 = 430,319.70/x
  3. Step 3: Cross multiply
    1,029,404.70x = 1,544,713.65 × 430,319.70
  4. Step 4: Simplify right side
    1,029,404.70x = 664,720,714,453.91
  5. Step 5: Solve for x
    x = 664,720,714,453.91/1,029,404.70
  6. Step 6: Final answer
    x = 645,733.13

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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.