Home / 880,814.40-1,321,221.60-670,862.40

Finding the Fourth Proportional to 880,814.40, 1,321,221.60 and 670,862.40

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Solution

The fourth proportional to 880,814.40, 1,321,221.60 and 670,862.40 is: 1,006,293.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,814.40 : 1,321,221.60 = 670,862.40 : x
  2. Step 2: Convert to fraction form
    880,814.40/1,321,221.60 = 670,862.40/x
  3. Step 3: Cross multiply
    880,814.40x = 1,321,221.60 × 670,862.40
  4. Step 4: Simplify right side
    880,814.40x = 886,357,893,507.84
  5. Step 5: Solve for x
    x = 886,357,893,507.84/880,814.40
  6. Step 6: Final answer
    x = 1,006,293.60

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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.