Home / 1,250,319.78-1,875,479.67-451,598.22

Finding the Fourth Proportional to 1,250,319.78, 1,875,479.67 and 451,598.22

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Solution

The fourth proportional to 1,250,319.78, 1,875,479.67 and 451,598.22 is: 677,397.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,250,319.78 : 1,875,479.67 = 451,598.22 : x
  2. Step 2: Convert to fraction form
    1,250,319.78/1,875,479.67 = 451,598.22/x
  3. Step 3: Cross multiply
    1,250,319.78x = 1,875,479.67 × 451,598.22
  4. Step 4: Simplify right side
    1,250,319.78x = 846,963,280,618.19
  5. Step 5: Solve for x
    x = 846,963,280,618.19/1,250,319.78
  6. Step 6: Final answer
    x = 677,397.33

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Double scale
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Similar ratio
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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.