Home / 1,256,064.57-1,732,631.20-790,177.58

Finding the Fourth Proportional to 1,256,064.57, 1,732,631.20 and 790,177.58

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Solution

The fourth proportional to 1,256,064.57, 1,732,631.20 and 790,177.58 is: 1,089,980.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,064.57 : 1,732,631.20 = 790,177.58 : x
  2. Step 2: Convert to fraction form
    1,256,064.57/1,732,631.20 = 790,177.58/x
  3. Step 3: Cross multiply
    1,256,064.57x = 1,732,631.20 × 790,177.58
  4. Step 4: Simplify right side
    1,256,064.57x = 1,369,086,328,648.50
  5. Step 5: Solve for x
    x = 1,369,086,328,648.50/1,256,064.57
  6. Step 6: Final answer
    x = 1,089,980.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.