Home / 1,447,213.86-1,997,221.80-802,595.64

Finding the Fourth Proportional to 1,447,213.86, 1,997,221.80 and 802,595.64

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Solution

The fourth proportional to 1,447,213.86, 1,997,221.80 and 802,595.64 is: 1,107,618.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,213.86 : 1,997,221.80 = 802,595.64 : x
  2. Step 2: Convert to fraction form
    1,447,213.86/1,997,221.80 = 802,595.64/x
  3. Step 3: Cross multiply
    1,447,213.86x = 1,997,221.80 × 802,595.64
  4. Step 4: Simplify right side
    1,447,213.86x = 1,602,961,508,792.95
  5. Step 5: Solve for x
    x = 1,602,961,508,792.95/1,447,213.86
  6. Step 6: Final answer
    x = 1,107,618.96

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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.