Home / 1,375,197.45-1,897,677.45-763,302.12

Finding the Fourth Proportional to 1,375,197.45, 1,897,677.45 and 763,302.12

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Solution

The fourth proportional to 1,375,197.45, 1,897,677.45 and 763,302.12 is: 1,053,304.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,197.45 : 1,897,677.45 = 763,302.12 : x
  2. Step 2: Convert to fraction form
    1,375,197.45/1,897,677.45 = 763,302.12/x
  3. Step 3: Cross multiply
    1,375,197.45x = 1,897,677.45 × 763,302.12
  4. Step 4: Simplify right side
    1,375,197.45x = 1,448,501,220,661.19
  5. Step 5: Solve for x
    x = 1,448,501,220,661.19/1,375,197.45
  6. Step 6: Final answer
    x = 1,053,304.18

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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.