Home / 1,287,165.52-1,930,840.62-340,525

Finding the Fourth Proportional to 1,287,165.52, 1,930,840.62 and 340,525

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Solution

The fourth proportional to 1,287,165.52, 1,930,840.62 and 340,525 is: 510,811.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,287,165.52 : 1,930,840.62 = 340,525 : x
  2. Step 2: Convert to fraction form
    1,287,165.52/1,930,840.62 = 340,525/x
  3. Step 3: Cross multiply
    1,287,165.52x = 1,930,840.62 × 340,525
  4. Step 4: Simplify right side
    1,287,165.52x = 657,499,502,125.50
  5. Step 5: Solve for x
    x = 657,499,502,125.50/1,287,165.52
  6. Step 6: Final answer
    x = 510,811.93

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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.