Home / 1,428,389.01-2,142,709.34-529,840.35

Finding the Fourth Proportional to 1,428,389.01, 2,142,709.34 and 529,840.35

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Solution

The fourth proportional to 1,428,389.01, 2,142,709.34 and 529,840.35 is: 794,807.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,389.01 : 2,142,709.34 = 529,840.35 : x
  2. Step 2: Convert to fraction form
    1,428,389.01/2,142,709.34 = 529,840.35/x
  3. Step 3: Cross multiply
    1,428,389.01x = 2,142,709.34 × 529,840.35
  4. Step 4: Simplify right side
    1,428,389.01x = 1,135,293,864,004.67
  5. Step 5: Solve for x
    x = 1,135,293,864,004.67/1,428,389.01
  6. Step 6: Final answer
    x = 794,807.20

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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.