Home / 1,500,443.54-2,070,611.92-812,115.29

Finding the Fourth Proportional to 1,500,443.54, 2,070,611.92 and 812,115.29

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Solution

The fourth proportional to 1,500,443.54, 2,070,611.92 and 812,115.29 is: 1,120,719.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,443.54 : 2,070,611.92 = 812,115.29 : x
  2. Step 2: Convert to fraction form
    1,500,443.54/2,070,611.92 = 812,115.29/x
  3. Step 3: Cross multiply
    1,500,443.54x = 2,070,611.92 × 812,115.29
  4. Step 4: Simplify right side
    1,500,443.54x = 1,681,575,589,535.20
  5. Step 5: Solve for x
    x = 1,681,575,589,535.20/1,500,443.54
  6. Step 6: Final answer
    x = 1,120,719.00

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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.