Home / 1,106,669.12-1,523,987.40-961,408.60

Finding the Fourth Proportional to 1,106,669.12, 1,523,987.40 and 961,408.60

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Solution

The fourth proportional to 1,106,669.12, 1,523,987.40 and 961,408.60 is: 1,323,950.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,106,669.12 : 1,523,987.40 = 961,408.60 : x
  2. Step 2: Convert to fraction form
    1,106,669.12/1,523,987.40 = 961,408.60/x
  3. Step 3: Cross multiply
    1,106,669.12x = 1,523,987.40 × 961,408.60
  4. Step 4: Simplify right side
    1,106,669.12x = 1,465,174,592,651.64
  5. Step 5: Solve for x
    x = 1,465,174,592,651.64/1,106,669.12
  6. Step 6: Final answer
    x = 1,323,950.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.