Home / 1,664,385.60-2,495,120.40-1,130,174.40

Finding the Fourth Proportional to 1,664,385.60, 2,495,120.40 and 1,130,174.40

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Solution

The fourth proportional to 1,664,385.60, 2,495,120.40 and 1,130,174.40 is: 1,694,271.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664,385.60 : 2,495,120.40 = 1,130,174.40 : x
  2. Step 2: Convert to fraction form
    1,664,385.60/2,495,120.40 = 1,130,174.40/x
  3. Step 3: Cross multiply
    1,664,385.60x = 2,495,120.40 × 1,130,174.40
  4. Step 4: Simplify right side
    1,664,385.60x = 2,819,921,200,997.76
  5. Step 5: Solve for x
    x = 2,819,921,200,997.76/1,664,385.60
  6. Step 6: Final answer
    x = 1,694,271.57

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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.