Home / 1,374,755.71-1,897,077.09-830,569.90

Finding the Fourth Proportional to 1,374,755.71, 1,897,077.09 and 830,569.90

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Solution

The fourth proportional to 1,374,755.71, 1,897,077.09 and 830,569.90 is: 1,146,134.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,374,755.71 : 1,897,077.09 = 830,569.90 : x
  2. Step 2: Convert to fraction form
    1,374,755.71/1,897,077.09 = 830,569.90/x
  3. Step 3: Cross multiply
    1,374,755.71x = 1,897,077.09 × 830,569.90
  4. Step 4: Simplify right side
    1,374,755.71x = 1,575,655,128,933.59
  5. Step 5: Solve for x
    x = 1,575,655,128,933.59/1,374,755.71
  6. Step 6: Final answer
    x = 1,146,134.63

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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.