Home / 1,240,845.37-1,860,686.77-521,033.45

Finding the Fourth Proportional to 1,240,845.37, 1,860,686.77 and 521,033.45

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Solution

The fourth proportional to 1,240,845.37, 1,860,686.77 and 521,033.45 is: 781,306.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,845.37 : 1,860,686.77 = 521,033.45 : x
  2. Step 2: Convert to fraction form
    1,240,845.37/1,860,686.77 = 521,033.45/x
  3. Step 3: Cross multiply
    1,240,845.37x = 1,860,686.77 × 521,033.45
  4. Step 4: Simplify right side
    1,240,845.37x = 969,480,047,142.46
  5. Step 5: Solve for x
    x = 969,480,047,142.46/1,240,845.37
  6. Step 6: Final answer
    x = 781,306.09

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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.