Home / 1,129,412.16-1,693,758.98-371,078.83

Finding the Fourth Proportional to 1,129,412.16, 1,693,758.98 and 371,078.83

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Solution

The fourth proportional to 1,129,412.16, 1,693,758.98 and 371,078.83 is: 556,500.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,412.16 : 1,693,758.98 = 371,078.83 : x
  2. Step 2: Convert to fraction form
    1,129,412.16/1,693,758.98 = 371,078.83/x
  3. Step 3: Cross multiply
    1,129,412.16x = 1,693,758.98 × 371,078.83
  4. Step 4: Simplify right side
    1,129,412.16x = 628,518,100,600.39
  5. Step 5: Solve for x
    x = 628,518,100,600.39/1,129,412.16
  6. Step 6: Final answer
    x = 556,500.21

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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.