Home / 1,458,661.65-2,013,216.59-869,998.86

Finding the Fourth Proportional to 1,458,661.65, 2,013,216.59 and 869,998.86

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Solution

The fourth proportional to 1,458,661.65, 2,013,216.59 and 869,998.86 is: 1,200,755.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,661.65 : 2,013,216.59 = 869,998.86 : x
  2. Step 2: Convert to fraction form
    1,458,661.65/2,013,216.59 = 869,998.86/x
  3. Step 3: Cross multiply
    1,458,661.65x = 2,013,216.59 × 869,998.86
  4. Step 4: Simplify right side
    1,458,661.65x = 1,751,496,140,408.08
  5. Step 5: Solve for x
    x = 1,751,496,140,408.08/1,458,661.65
  6. Step 6: Final answer
    x = 1,200,755.60

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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.