Home / 1,500,498.26-2,070,687.40-812,169.98

Finding the Fourth Proportional to 1,500,498.26, 2,070,687.40 and 812,169.98

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Solution

The fourth proportional to 1,500,498.26, 2,070,687.40 and 812,169.98 is: 1,120,794.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,498.26 : 2,070,687.40 = 812,169.98 : x
  2. Step 2: Convert to fraction form
    1,500,498.26/2,070,687.40 = 812,169.98/x
  3. Step 3: Cross multiply
    1,500,498.26x = 2,070,687.40 × 812,169.98
  4. Step 4: Simplify right side
    1,500,498.26x = 1,681,750,144,244.25
  5. Step 5: Solve for x
    x = 1,681,750,144,244.25/1,500,498.26
  6. Step 6: Final answer
    x = 1,120,794.46

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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.