Home / 1,173,776.32-1,760,781.12-425,880.64

Finding the Fourth Proportional to 1,173,776.32, 1,760,781.12 and 425,880.64

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Solution

The fourth proportional to 1,173,776.32, 1,760,781.12 and 425,880.64 is: 638,863.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,776.32 : 1,760,781.12 = 425,880.64 : x
  2. Step 2: Convert to fraction form
    1,173,776.32/1,760,781.12 = 425,880.64/x
  3. Step 3: Cross multiply
    1,173,776.32x = 1,760,781.12 × 425,880.64
  4. Step 4: Simplify right side
    1,173,776.32x = 749,882,590,285.52
  5. Step 5: Solve for x
    x = 749,882,590,285.52/1,173,776.32
  6. Step 6: Final answer
    x = 638,863.28

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1.5x scale

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.