Home / 1,230,051.60-1,845,336.60-388,688.40

Finding the Fourth Proportional to 1,230,051.60, 1,845,336.60 and 388,688.40

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Solution

The fourth proportional to 1,230,051.60, 1,845,336.60 and 388,688.40 is: 583,114.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,051.60 : 1,845,336.60 = 388,688.40 : x
  2. Step 2: Convert to fraction form
    1,230,051.60/1,845,336.60 = 388,688.40/x
  3. Step 3: Cross multiply
    1,230,051.60x = 1,845,336.60 × 388,688.40
  4. Step 4: Simplify right side
    1,230,051.60x = 717,260,930,515.44
  5. Step 5: Solve for x
    x = 717,260,930,515.44/1,230,051.60
  6. Step 6: Final answer
    x = 583,114.51

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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.