Home / 1,447,427.13-1,997,451.05-843,931.77

Finding the Fourth Proportional to 1,447,427.13, 1,997,451.05 and 843,931.77

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Solution

The fourth proportional to 1,447,427.13, 1,997,451.05 and 843,931.77 is: 1,164,626.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,427.13 : 1,997,451.05 = 843,931.77 : x
  2. Step 2: Convert to fraction form
    1,447,427.13/1,997,451.05 = 843,931.77/x
  3. Step 3: Cross multiply
    1,447,427.13x = 1,997,451.05 × 843,931.77
  4. Step 4: Simplify right side
    1,447,427.13x = 1,685,712,400,114.86
  5. Step 5: Solve for x
    x = 1,685,712,400,114.86/1,447,427.13
  6. Step 6: Final answer
    x = 1,164,626.78

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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.