Home / 1,003,381.04-1,505,301.37-434,857.49

Finding the Fourth Proportional to 1,003,381.04, 1,505,301.37 and 434,857.49

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Solution

The fourth proportional to 1,003,381.04, 1,505,301.37 and 434,857.49 is: 652,385.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,381.04 : 1,505,301.37 = 434,857.49 : x
  2. Step 2: Convert to fraction form
    1,003,381.04/1,505,301.37 = 434,857.49/x
  3. Step 3: Cross multiply
    1,003,381.04x = 1,505,301.37 × 434,857.49
  4. Step 4: Simplify right side
    1,003,381.04x = 654,591,578,127.87
  5. Step 5: Solve for x
    x = 654,591,578,127.87/1,003,381.04
  6. Step 6: Final answer
    x = 652,385.84

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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.