Home / 1,689,281.64-2,331,255.96-1,026,992.40

Finding the Fourth Proportional to 1,689,281.64, 2,331,255.96 and 1,026,992.40

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Solution

The fourth proportional to 1,689,281.64, 2,331,255.96 and 1,026,992.40 is: 1,417,278.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,281.64 : 2,331,255.96 = 1,026,992.40 : x
  2. Step 2: Convert to fraction form
    1,689,281.64/2,331,255.96 = 1,026,992.40/x
  3. Step 3: Cross multiply
    1,689,281.64x = 2,331,255.96 × 1,026,992.40
  4. Step 4: Simplify right side
    1,689,281.64x = 2,394,182,153,374.70
  5. Step 5: Solve for x
    x = 2,394,182,153,374.70/1,689,281.64
  6. Step 6: Final answer
    x = 1,417,278.27

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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.