Home / 1,425,411.90-2,137,671.09-465,648.75

Finding the Fourth Proportional to 1,425,411.90, 2,137,671.09 and 465,648.75

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Solution

The fourth proportional to 1,425,411.90, 2,137,671.09 and 465,648.75 is: 698,327.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,411.90 : 2,137,671.09 = 465,648.75 : x
  2. Step 2: Convert to fraction form
    1,425,411.90/2,137,671.09 = 465,648.75/x
  3. Step 3: Cross multiply
    1,425,411.90x = 2,137,671.09 × 465,648.75
  4. Step 4: Simplify right side
    1,425,411.90x = 995,403,870,969.64
  5. Step 5: Solve for x
    x = 995,403,870,969.64/1,425,411.90
  6. Step 6: Final answer
    x = 698,327.18

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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.