Home / 1,397,175.90-2,095,763.85-1,314,507.30

Finding the Fourth Proportional to 1,397,175.90, 2,095,763.85 and 1,314,507.30

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Solution

The fourth proportional to 1,397,175.90, 2,095,763.85 and 1,314,507.30 is: 1,971,760.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397,175.90 : 2,095,763.85 = 1,314,507.30 : x
  2. Step 2: Convert to fraction form
    1,397,175.90/2,095,763.85 = 1,314,507.30/x
  3. Step 3: Cross multiply
    1,397,175.90x = 2,095,763.85 × 1,314,507.30
  4. Step 4: Simplify right side
    1,397,175.90x = 2,754,896,879,901.11
  5. Step 5: Solve for x
    x = 2,754,896,879,901.11/1,397,175.90
  6. Step 6: Final answer
    x = 1,971,760.95

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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.