Home / 971,122.90-1,457,029.95-936,562.90

Finding the Fourth Proportional to 971,122.90, 1,457,029.95 and 936,562.90

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Solution

The fourth proportional to 971,122.90, 1,457,029.95 and 936,562.90 is: 1,405,177.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,122.90 : 1,457,029.95 = 936,562.90 : x
  2. Step 2: Convert to fraction form
    971,122.90/1,457,029.95 = 936,562.90/x
  3. Step 3: Cross multiply
    971,122.90x = 1,457,029.95 × 936,562.90
  4. Step 4: Simplify right side
    971,122.90x = 1,364,600,195,358.86
  5. Step 5: Solve for x
    x = 1,364,600,195,358.86/971,122.90
  6. Step 6: Final answer
    x = 1,405,177.65

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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.