Home / 783,353.40-1,173,717.90-670,504.20

Finding the Fourth Proportional to 783,353.40, 1,173,717.90 and 670,504.20

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Solution

The fourth proportional to 783,353.40, 1,173,717.90 and 670,504.20 is: 1,004,633.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,353.40 : 1,173,717.90 = 670,504.20 : x
  2. Step 2: Convert to fraction form
    783,353.40/1,173,717.90 = 670,504.20/x
  3. Step 3: Cross multiply
    783,353.40x = 1,173,717.90 × 670,504.20
  4. Step 4: Simplify right side
    783,353.40x = 786,982,781,565.18
  5. Step 5: Solve for x
    x = 786,982,781,565.18/783,353.40
  6. Step 6: Final answer
    x = 1,004,633.13

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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.