Home / 1,112,487.46-1,668,647.30-354,298.30

Finding the Fourth Proportional to 1,112,487.46, 1,668,647.30 and 354,298.30

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Solution

The fourth proportional to 1,112,487.46, 1,668,647.30 and 354,298.30 is: 531,420.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,487.46 : 1,668,647.30 = 354,298.30 : x
  2. Step 2: Convert to fraction form
    1,112,487.46/1,668,647.30 = 354,298.30/x
  3. Step 3: Cross multiply
    1,112,487.46x = 1,668,647.30 × 354,298.30
  4. Step 4: Simplify right side
    1,112,487.46x = 591,198,901,689.59
  5. Step 5: Solve for x
    x = 591,198,901,689.59/1,112,487.46
  6. Step 6: Final answer
    x = 531,420.73

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Double scale
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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.