Home / 1,003,395.79-1,505,323.56-434,872.39

Finding the Fourth Proportional to 1,003,395.79, 1,505,323.56 and 434,872.39

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Solution

The fourth proportional to 1,003,395.79, 1,505,323.56 and 434,872.39 is: 652,408.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,395.79 : 1,505,323.56 = 434,872.39 : x
  2. Step 2: Convert to fraction form
    1,003,395.79/1,505,323.56 = 434,872.39/x
  3. Step 3: Cross multiply
    1,003,395.79x = 1,505,323.56 × 434,872.39
  4. Step 4: Simplify right side
    1,003,395.79x = 654,623,654,260.51
  5. Step 5: Solve for x
    x = 654,623,654,260.51/1,003,395.79
  6. Step 6: Final answer
    x = 652,408.21

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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.