Home / 1,174,790.60-1,762,646.70-426,912.20

Finding the Fourth Proportional to 1,174,790.60, 1,762,646.70 and 426,912.20

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Solution

The fourth proportional to 1,174,790.60, 1,762,646.70 and 426,912.20 is: 640,535.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,790.60 : 1,762,646.70 = 426,912.20 : x
  2. Step 2: Convert to fraction form
    1,174,790.60/1,762,646.70 = 426,912.20/x
  3. Step 3: Cross multiply
    1,174,790.60x = 1,762,646.70 × 426,912.20
  4. Step 4: Simplify right side
    1,174,790.60x = 752,495,380,519.74
  5. Step 5: Solve for x
    x = 752,495,380,519.74/1,174,790.60
  6. Step 6: Final answer
    x = 640,535.75

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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.