Home / 1,338,483.51-2,007,725.22-391,854.24

Finding the Fourth Proportional to 1,338,483.51, 2,007,725.22 and 391,854.24

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Solution

The fourth proportional to 1,338,483.51, 2,007,725.22 and 391,854.24 is: 587,781.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,483.51 : 2,007,725.22 = 391,854.24 : x
  2. Step 2: Convert to fraction form
    1,338,483.51/2,007,725.22 = 391,854.24/x
  3. Step 3: Cross multiply
    1,338,483.51x = 2,007,725.22 × 391,854.24
  4. Step 4: Simplify right side
    1,338,483.51x = 786,735,640,211.93
  5. Step 5: Solve for x
    x = 786,735,640,211.93/1,338,483.51
  6. Step 6: Final answer
    x = 587,781.35

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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.