Home / 1,475,139.70-2,213,584.35-971,145.55

Finding the Fourth Proportional to 1,475,139.70, 2,213,584.35 and 971,145.55

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Solution

The fourth proportional to 1,475,139.70, 2,213,584.35 and 971,145.55 is: 1,457,294.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,475,139.70 : 2,213,584.35 = 971,145.55 : x
  2. Step 2: Convert to fraction form
    1,475,139.70/2,213,584.35 = 971,145.55/x
  3. Step 3: Cross multiply
    1,475,139.70x = 2,213,584.35 × 971,145.55
  4. Step 4: Simplify right side
    1,475,139.70x = 2,149,712,591,052.14
  5. Step 5: Solve for x
    x = 2,149,712,591,052.14/1,475,139.70
  6. Step 6: Final answer
    x = 1,457,294.24

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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.