Home / 1,114,066.86-1,671,165.09-315,281.58

Finding the Fourth Proportional to 1,114,066.86, 1,671,165.09 and 315,281.58

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Solution

The fourth proportional to 1,114,066.86, 1,671,165.09 and 315,281.58 is: 472,940.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,066.86 : 1,671,165.09 = 315,281.58 : x
  2. Step 2: Convert to fraction form
    1,114,066.86/1,671,165.09 = 315,281.58/x
  3. Step 3: Cross multiply
    1,114,066.86x = 1,671,165.09 × 315,281.58
  4. Step 4: Simplify right side
    1,114,066.86x = 526,887,570,016.04
  5. Step 5: Solve for x
    x = 526,887,570,016.04/1,114,066.86
  6. Step 6: Final answer
    x = 472,940.71

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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.