Home / 1,155,323.12-1,732,317.62-356,390.16

Finding the Fourth Proportional to 1,155,323.12, 1,732,317.62 and 356,390.16

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Solution

The fourth proportional to 1,155,323.12, 1,732,317.62 and 356,390.16 is: 534,379.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,323.12 : 1,732,317.62 = 356,390.16 : x
  2. Step 2: Convert to fraction form
    1,155,323.12/1,732,317.62 = 356,390.16/x
  3. Step 3: Cross multiply
    1,155,323.12x = 1,732,317.62 × 356,390.16
  4. Step 4: Simplify right side
    1,155,323.12x = 617,380,953,762.62
  5. Step 5: Solve for x
    x = 617,380,953,762.62/1,155,323.12
  6. Step 6: Final answer
    x = 534,379.47

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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.