Home / 1,345,798.60-2,018,899.89-434,676.78

Finding the Fourth Proportional to 1,345,798.60, 2,018,899.89 and 434,676.78

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Solution

The fourth proportional to 1,345,798.60, 2,018,899.89 and 434,676.78 is: 652,080.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,798.60 : 2,018,899.89 = 434,676.78 : x
  2. Step 2: Convert to fraction form
    1,345,798.60/2,018,899.89 = 434,676.78/x
  3. Step 3: Cross multiply
    1,345,798.60x = 2,018,899.89 × 434,676.78
  4. Step 4: Simplify right side
    1,345,798.60x = 877,568,903,327.55
  5. Step 5: Solve for x
    x = 877,568,903,327.55/1,345,798.60
  6. Step 6: Final answer
    x = 652,080.41

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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.