Home / 1,061,667.70-1,592,491.65-430,431.46

Finding the Fourth Proportional to 1,061,667.70, 1,592,491.65 and 430,431.46

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Solution

The fourth proportional to 1,061,667.70, 1,592,491.65 and 430,431.46 is: 645,643.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,061,667.70 : 1,592,491.65 = 430,431.46 : x
  2. Step 2: Convert to fraction form
    1,061,667.70/1,592,491.65 = 430,431.46/x
  3. Step 3: Cross multiply
    1,061,667.70x = 1,592,491.65 × 430,431.46
  4. Step 4: Simplify right side
    1,061,667.70x = 685,458,505,947.31
  5. Step 5: Solve for x
    x = 685,458,505,947.31/1,061,667.70
  6. Step 6: Final answer
    x = 645,643.18

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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.