Home / 1,657,605.31-2,486,408.54-745,722.57

Finding the Fourth Proportional to 1,657,605.31, 2,486,408.54 and 745,722.57

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Solution

The fourth proportional to 1,657,605.31, 2,486,408.54 and 745,722.57 is: 1,118,584.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657,605.31 : 2,486,408.54 = 745,722.57 : x
  2. Step 2: Convert to fraction form
    1,657,605.31/2,486,408.54 = 745,722.57/x
  3. Step 3: Cross multiply
    1,657,605.31x = 2,486,408.54 × 745,722.57
  4. Step 4: Simplify right side
    1,657,605.31x = 1,854,170,958,128.12
  5. Step 5: Solve for x
    x = 1,854,170,958,128.12/1,657,605.31
  6. Step 6: Final answer
    x = 1,118,584.11

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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.