Home / 1,189,488.34-1,784,224.23-290,943.01

Finding the Fourth Proportional to 1,189,488.34, 1,784,224.23 and 290,943.01

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Solution

The fourth proportional to 1,189,488.34, 1,784,224.23 and 290,943.01 is: 436,412.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,488.34 : 1,784,224.23 = 290,943.01 : x
  2. Step 2: Convert to fraction form
    1,189,488.34/1,784,224.23 = 290,943.01/x
  3. Step 3: Cross multiply
    1,189,488.34x = 1,784,224.23 × 290,943.01
  4. Step 4: Simplify right side
    1,189,488.34x = 519,107,567,991.13
  5. Step 5: Solve for x
    x = 519,107,567,991.13/1,189,488.34
  6. Step 6: Final answer
    x = 436,412.49

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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.