Home / 1,148,869.90-1,584,408.36-719,189.20

Finding the Fourth Proportional to 1,148,869.90, 1,584,408.36 and 719,189.20

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Solution

The fourth proportional to 1,148,869.90, 1,584,408.36 and 719,189.20 is: 991,835.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,869.90 : 1,584,408.36 = 719,189.20 : x
  2. Step 2: Convert to fraction form
    1,148,869.90/1,584,408.36 = 719,189.20/x
  3. Step 3: Cross multiply
    1,148,869.90x = 1,584,408.36 × 719,189.20
  4. Step 4: Simplify right side
    1,148,869.90x = 1,139,489,380,901.71
  5. Step 5: Solve for x
    x = 1,139,489,380,901.71/1,148,869.90
  6. Step 6: Final answer
    x = 991,835.00

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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.