Home / 1,314,428.38-1,971,714.33-415,803.30

Finding the Fourth Proportional to 1,314,428.38, 1,971,714.33 and 415,803.30

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Solution

The fourth proportional to 1,314,428.38, 1,971,714.33 and 415,803.30 is: 623,727.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,428.38 : 1,971,714.33 = 415,803.30 : x
  2. Step 2: Convert to fraction form
    1,314,428.38/1,971,714.33 = 415,803.30/x
  3. Step 3: Cross multiply
    1,314,428.38x = 1,971,714.33 × 415,803.30
  4. Step 4: Simplify right side
    1,314,428.38x = 819,845,325,071.29
  5. Step 5: Solve for x
    x = 819,845,325,071.29/1,314,428.38
  6. Step 6: Final answer
    x = 623,727.65

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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.