Home / 1,418,480.60-2,129,103.30-709,309.40

Finding the Fourth Proportional to 1,418,480.60, 2,129,103.30 and 709,309.40

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Solution

The fourth proportional to 1,418,480.60, 2,129,103.30 and 709,309.40 is: 1,064,655.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,480.60 : 2,129,103.30 = 709,309.40 : x
  2. Step 2: Convert to fraction form
    1,418,480.60/2,129,103.30 = 709,309.40/x
  3. Step 3: Cross multiply
    1,418,480.60x = 2,129,103.30 × 709,309.40
  4. Step 4: Simplify right side
    1,418,480.60x = 1,510,192,984,261.02
  5. Step 5: Solve for x
    x = 1,510,192,984,261.02/1,418,480.60
  6. Step 6: Final answer
    x = 1,064,655.37

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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.