Home / 1,440,770.59-2,161,077.51-730,780.07

Finding the Fourth Proportional to 1,440,770.59, 2,161,077.51 and 730,780.07

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Solution

The fourth proportional to 1,440,770.59, 2,161,077.51 and 730,780.07 is: 1,096,130.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440,770.59 : 2,161,077.51 = 730,780.07 : x
  2. Step 2: Convert to fraction form
    1,440,770.59/2,161,077.51 = 730,780.07/x
  3. Step 3: Cross multiply
    1,440,770.59x = 2,161,077.51 × 730,780.07
  4. Step 4: Simplify right side
    1,440,770.59x = 1,579,272,374,033.23
  5. Step 5: Solve for x
    x = 1,579,272,374,033.23/1,440,770.59
  6. Step 6: Final answer
    x = 1,096,130.36

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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.