Home / 1,488,012.40-2,232,893.40-541,478.80

Finding the Fourth Proportional to 1,488,012.40, 2,232,893.40 and 541,478.80

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Solution

The fourth proportional to 1,488,012.40, 2,232,893.40 and 541,478.80 is: 812,536.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,012.40 : 2,232,893.40 = 541,478.80 : x
  2. Step 2: Convert to fraction form
    1,488,012.40/2,232,893.40 = 541,478.80/x
  3. Step 3: Cross multiply
    1,488,012.40x = 2,232,893.40 × 541,478.80
  4. Step 4: Simplify right side
    1,488,012.40x = 1,209,064,438,759.92
  5. Step 5: Solve for x
    x = 1,209,064,438,759.92/1,488,012.40
  6. Step 6: Final answer
    x = 812,536.53

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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.