Home / 1,063,422-1,594,238.76-432,788.40

Finding the Fourth Proportional to 1,063,422, 1,594,238.76 and 432,788.40

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Solution

The fourth proportional to 1,063,422, 1,594,238.76 and 432,788.40 is: 648,818.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,063,422 : 1,594,238.76 = 432,788.40 : x
  2. Step 2: Convert to fraction form
    1,063,422/1,594,238.76 = 432,788.40/x
  3. Step 3: Cross multiply
    1,063,422x = 1,594,238.76 × 432,788.40
  4. Step 4: Simplify right side
    1,063,422x = 689,968,042,158.38
  5. Step 5: Solve for x
    x = 689,968,042,158.38/1,063,422
  6. Step 6: Final answer
    x = 648,818.66

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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.