Home / 1,448,995.80-2,173,493.70-917,117.40

Finding the Fourth Proportional to 1,448,995.80, 2,173,493.70 and 917,117.40

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Solution

The fourth proportional to 1,448,995.80, 2,173,493.70 and 917,117.40 is: 1,375,676.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,995.80 : 2,173,493.70 = 917,117.40 : x
  2. Step 2: Convert to fraction form
    1,448,995.80/2,173,493.70 = 917,117.40/x
  3. Step 3: Cross multiply
    1,448,995.80x = 2,173,493.70 × 917,117.40
  4. Step 4: Simplify right side
    1,448,995.80x = 1,993,348,891,060.38
  5. Step 5: Solve for x
    x = 1,993,348,891,060.38/1,448,995.80
  6. Step 6: Final answer
    x = 1,375,676.10

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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.