Home / 1,447,705.89-1,997,836.48-803,126.10

Finding the Fourth Proportional to 1,447,705.89, 1,997,836.48 and 803,126.10

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Solution

The fourth proportional to 1,447,705.89, 1,997,836.48 and 803,126.10 is: 1,108,315.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,705.89 : 1,997,836.48 = 803,126.10 : x
  2. Step 2: Convert to fraction form
    1,447,705.89/1,997,836.48 = 803,126.10/x
  3. Step 3: Cross multiply
    1,447,705.89x = 1,997,836.48 × 803,126.10
  4. Step 4: Simplify right side
    1,447,705.89x = 1,604,514,629,115.92
  5. Step 5: Solve for x
    x = 1,604,514,629,115.92/1,447,705.89
  6. Step 6: Final answer
    x = 1,108,315.33

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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.