Home / 1,314,427.13-1,971,712.46-415,802.05

Finding the Fourth Proportional to 1,314,427.13, 1,971,712.46 and 415,802.05

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Solution

The fourth proportional to 1,314,427.13, 1,971,712.46 and 415,802.05 is: 623,725.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,427.13 : 1,971,712.46 = 415,802.05 : x
  2. Step 2: Convert to fraction form
    1,314,427.13/1,971,712.46 = 415,802.05/x
  3. Step 3: Cross multiply
    1,314,427.13x = 1,971,712.46 × 415,802.05
  4. Step 4: Simplify right side
    1,314,427.13x = 819,842,082,878.54
  5. Step 5: Solve for x
    x = 819,842,082,878.54/1,314,427.13
  6. Step 6: Final answer
    x = 623,725.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.