Home / 1,445,638.60-2,168,457.90-699,142.60

Finding the Fourth Proportional to 1,445,638.60, 2,168,457.90 and 699,142.60

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Solution

The fourth proportional to 1,445,638.60, 2,168,457.90 and 699,142.60 is: 1,048,713.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445,638.60 : 2,168,457.90 = 699,142.60 : x
  2. Step 2: Convert to fraction form
    1,445,638.60/2,168,457.90 = 699,142.60/x
  3. Step 3: Cross multiply
    1,445,638.60x = 2,168,457.90 × 699,142.60
  4. Step 4: Simplify right side
    1,445,638.60x = 1,516,061,294,196.54
  5. Step 5: Solve for x
    x = 1,516,061,294,196.54/1,445,638.60
  6. Step 6: Final answer
    x = 1,048,713.90

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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.