Home / 1,425,221.25-1,966,781.01-771,841.96

Finding the Fourth Proportional to 1,425,221.25, 1,966,781.01 and 771,841.96

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Solution

The fourth proportional to 1,425,221.25, 1,966,781.01 and 771,841.96 is: 1,065,128.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,221.25 : 1,966,781.01 = 771,841.96 : x
  2. Step 2: Convert to fraction form
    1,425,221.25/1,966,781.01 = 771,841.96/x
  3. Step 3: Cross multiply
    1,425,221.25x = 1,966,781.01 × 771,841.96
  4. Step 4: Simplify right side
    1,425,221.25x = 1,518,044,107,626.63
  5. Step 5: Solve for x
    x = 1,518,044,107,626.63/1,425,221.25
  6. Step 6: Final answer
    x = 1,065,128.74

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.