Home / 1,745,372.17-2,408,832.93-981,420.25

Finding the Fourth Proportional to 1,745,372.17, 2,408,832.93 and 981,420.25

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Solution

The fourth proportional to 1,745,372.17, 2,408,832.93 and 981,420.25 is: 1,354,483.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,745,372.17 : 2,408,832.93 = 981,420.25 : x
  2. Step 2: Convert to fraction form
    1,745,372.17/2,408,832.93 = 981,420.25/x
  3. Step 3: Cross multiply
    1,745,372.17x = 2,408,832.93 × 981,420.25
  4. Step 4: Simplify right side
    1,745,372.17x = 2,364,077,416,368.83
  5. Step 5: Solve for x
    x = 2,364,077,416,368.83/1,745,372.17
  6. Step 6: Final answer
    x = 1,354,483.28

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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.