Home / 855,155.86-1,180,034.72-578,951.86

Finding the Fourth Proportional to 855,155.86, 1,180,034.72 and 578,951.86

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Solution

The fourth proportional to 855,155.86, 1,180,034.72 and 578,951.86 is: 798,899.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,155.86 : 1,180,034.72 = 578,951.86 : x
  2. Step 2: Convert to fraction form
    855,155.86/1,180,034.72 = 578,951.86/x
  3. Step 3: Cross multiply
    855,155.86x = 1,180,034.72 × 578,951.86
  4. Step 4: Simplify right side
    855,155.86x = 683,183,296,008.58
  5. Step 5: Solve for x
    x = 683,183,296,008.58/855,155.86
  6. Step 6: Final answer
    x = 798,899.16

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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.