Home / 1,026,843.90-1,416,610.65-687,421.50

Finding the Fourth Proportional to 1,026,843.90, 1,416,610.65 and 687,421.50

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Solution

The fourth proportional to 1,026,843.90, 1,416,610.65 and 687,421.50 is: 948,351.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,843.90 : 1,416,610.65 = 687,421.50 : x
  2. Step 2: Convert to fraction form
    1,026,843.90/1,416,610.65 = 687,421.50/x
  3. Step 3: Cross multiply
    1,026,843.90x = 1,416,610.65 × 687,421.50
  4. Step 4: Simplify right side
    1,026,843.90x = 973,808,617,938.98
  5. Step 5: Solve for x
    x = 973,808,617,938.98/1,026,843.90
  6. Step 6: Final answer
    x = 948,351.17

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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.