Home / 1,488,459.45-2,229,878.88-879,430.53

Finding the Fourth Proportional to 1,488,459.45, 2,229,878.88 and 879,430.53

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Solution

The fourth proportional to 1,488,459.45, 2,229,878.88 and 879,430.53 is: 1,317,485.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,459.45 : 2,229,878.88 = 879,430.53 : x
  2. Step 2: Convert to fraction form
    1,488,459.45/2,229,878.88 = 879,430.53/x
  3. Step 3: Cross multiply
    1,488,459.45x = 2,229,878.88 × 879,430.53
  4. Step 4: Simplify right side
    1,488,459.45x = 1,961,023,565,274.21
  5. Step 5: Solve for x
    x = 1,961,023,565,274.21/1,488,459.45
  6. Step 6: Final answer
    x = 1,317,485.38

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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.