Home / 1,513,187.34-2,269,693.53-554,289.90

Finding the Fourth Proportional to 1,513,187.34, 2,269,693.53 and 554,289.90

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Solution

The fourth proportional to 1,513,187.34, 2,269,693.53 and 554,289.90 is: 831,402.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513,187.34 : 2,269,693.53 = 554,289.90 : x
  2. Step 2: Convert to fraction form
    1,513,187.34/2,269,693.53 = 554,289.90/x
  3. Step 3: Cross multiply
    1,513,187.34x = 2,269,693.53 × 554,289.90
  4. Step 4: Simplify right side
    1,513,187.34x = 1,258,068,199,774.35
  5. Step 5: Solve for x
    x = 1,258,068,199,774.35/1,513,187.34
  6. Step 6: Final answer
    x = 831,402.81

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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.