Home / 1,115,963.46-1,674,160.65-476,257.86

Finding the Fourth Proportional to 1,115,963.46, 1,674,160.65 and 476,257.86

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Solution

The fourth proportional to 1,115,963.46, 1,674,160.65 and 476,257.86 is: 714,478.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,963.46 : 1,674,160.65 = 476,257.86 : x
  2. Step 2: Convert to fraction form
    1,115,963.46/1,674,160.65 = 476,257.86/x
  3. Step 3: Cross multiply
    1,115,963.46x = 1,674,160.65 × 476,257.86
  4. Step 4: Simplify right side
    1,115,963.46x = 797,332,168,465.21
  5. Step 5: Solve for x
    x = 797,332,168,465.21/1,115,963.46
  6. Step 6: Final answer
    x = 714,478.74

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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.