Home / 1,689,276.60-2,331,249.08-1,026,987.40

Finding the Fourth Proportional to 1,689,276.60, 2,331,249.08 and 1,026,987.40

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Solution

The fourth proportional to 1,689,276.60, 2,331,249.08 and 1,026,987.40 is: 1,417,271.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,276.60 : 2,331,249.08 = 1,026,987.40 : x
  2. Step 2: Convert to fraction form
    1,689,276.60/2,331,249.08 = 1,026,987.40/x
  3. Step 3: Cross multiply
    1,689,276.60x = 2,331,249.08 × 1,026,987.40
  4. Step 4: Simplify right side
    1,689,276.60x = 2,394,163,431,421.59
  5. Step 5: Solve for x
    x = 2,394,163,431,421.59/1,689,276.60
  6. Step 6: Final answer
    x = 1,417,271.41

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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.