Home / 1,331,526.72-1,997,304.66-384,905.64

Finding the Fourth Proportional to 1,331,526.72, 1,997,304.66 and 384,905.64

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Solution

The fourth proportional to 1,331,526.72, 1,997,304.66 and 384,905.64 is: 577,362.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,526.72 : 1,997,304.66 = 384,905.64 : x
  2. Step 2: Convert to fraction form
    1,331,526.72/1,997,304.66 = 384,905.64/x
  3. Step 3: Cross multiply
    1,331,526.72x = 1,997,304.66 × 384,905.64
  4. Step 4: Simplify right side
    1,331,526.72x = 768,773,828,432.28
  5. Step 5: Solve for x
    x = 768,773,828,432.28/1,331,526.72
  6. Step 6: Final answer
    x = 577,362.67

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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.