Home / 1,123,346.60-1,685,603.10-492,324.20

Finding the Fourth Proportional to 1,123,346.60, 1,685,603.10 and 492,324.20

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Solution

The fourth proportional to 1,123,346.60, 1,685,603.10 and 492,324.20 is: 738,741.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,346.60 : 1,685,603.10 = 492,324.20 : x
  2. Step 2: Convert to fraction form
    1,123,346.60/1,685,603.10 = 492,324.20/x
  3. Step 3: Cross multiply
    1,123,346.60x = 1,685,603.10 × 492,324.20
  4. Step 4: Simplify right side
    1,123,346.60x = 829,863,197,725.02
  5. Step 5: Solve for x
    x = 829,863,197,725.02/1,123,346.60
  6. Step 6: Final answer
    x = 738,741.90

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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.