Home / 1,145,323.65-1,580,579.79-655,372.83

Finding the Fourth Proportional to 1,145,323.65, 1,580,579.79 and 655,372.83

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Solution

The fourth proportional to 1,145,323.65, 1,580,579.79 and 655,372.83 is: 904,433.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,323.65 : 1,580,579.79 = 655,372.83 : x
  2. Step 2: Convert to fraction form
    1,145,323.65/1,580,579.79 = 655,372.83/x
  3. Step 3: Cross multiply
    1,145,323.65x = 1,580,579.79 × 655,372.83
  4. Step 4: Simplify right side
    1,145,323.65x = 1,035,869,050,013.11
  5. Step 5: Solve for x
    x = 1,035,869,050,013.11/1,145,323.65
  6. Step 6: Final answer
    x = 904,433.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.