Home / 1,445,319.50-2,178,137.32-1,301,401.40

Finding the Fourth Proportional to 1,445,319.50, 2,178,137.32 and 1,301,401.40

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Solution

The fourth proportional to 1,445,319.50, 2,178,137.32 and 1,301,401.40 is: 1,961,248.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445,319.50 : 2,178,137.32 = 1,301,401.40 : x
  2. Step 2: Convert to fraction form
    1,445,319.50/2,178,137.32 = 1,301,401.40/x
  3. Step 3: Cross multiply
    1,445,319.50x = 2,178,137.32 × 1,301,401.40
  4. Step 4: Simplify right side
    1,445,319.50x = 2,834,630,951,133.24
  5. Step 5: Solve for x
    x = 2,834,630,951,133.24/1,445,319.50
  6. Step 6: Final answer
    x = 1,961,248.67

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.