Home / 1,447,394.13-1,997,643.06-803,021.85

Finding the Fourth Proportional to 1,447,394.13, 1,997,643.06 and 803,021.85

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Solution

The fourth proportional to 1,447,394.13, 1,997,643.06 and 803,021.85 is: 1,108,302.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,394.13 : 1,997,643.06 = 803,021.85 : x
  2. Step 2: Convert to fraction form
    1,447,394.13/1,997,643.06 = 803,021.85/x
  3. Step 3: Cross multiply
    1,447,394.13x = 1,997,643.06 × 803,021.85
  4. Step 4: Simplify right side
    1,447,394.13x = 1,604,151,025,680.86
  5. Step 5: Solve for x
    x = 1,604,151,025,680.86/1,447,394.13
  6. Step 6: Final answer
    x = 1,108,302.84

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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.