Home / 1,061,667.20-1,592,490.90-430,430.96

Finding the Fourth Proportional to 1,061,667.20, 1,592,490.90 and 430,430.96

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Solution

The fourth proportional to 1,061,667.20, 1,592,490.90 and 430,430.96 is: 645,642.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,061,667.20 : 1,592,490.90 = 430,430.96 : x
  2. Step 2: Convert to fraction form
    1,061,667.20/1,592,490.90 = 430,430.96/x
  3. Step 3: Cross multiply
    1,061,667.20x = 1,592,490.90 × 430,430.96
  4. Step 4: Simplify right side
    1,061,667.20x = 685,457,386,878.26
  5. Step 5: Solve for x
    x = 685,457,386,878.26/1,061,667.20
  6. Step 6: Final answer
    x = 645,642.43

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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.