Home / 1,447,213.74-1,997,221.63-802,595.52

Finding the Fourth Proportional to 1,447,213.74, 1,997,221.63 and 802,595.52

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Solution

The fourth proportional to 1,447,213.74, 1,997,221.63 and 802,595.52 is: 1,107,618.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,213.74 : 1,997,221.63 = 802,595.52 : x
  2. Step 2: Convert to fraction form
    1,447,213.74/1,997,221.63 = 802,595.52/x
  3. Step 3: Cross multiply
    1,447,213.74x = 1,997,221.63 × 802,595.52
  4. Step 4: Simplify right side
    1,447,213.74x = 1,602,961,132,685.10
  5. Step 5: Solve for x
    x = 1,602,961,132,685.10/1,447,213.74
  6. Step 6: Final answer
    x = 1,107,618.79

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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.