Home / 1,353,764.32-2,031,768.12-680,038.32

Finding the Fourth Proportional to 1,353,764.32, 2,031,768.12 and 680,038.32

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Solution

The fourth proportional to 1,353,764.32, 2,031,768.12 and 680,038.32 is: 1,020,620.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,764.32 : 2,031,768.12 = 680,038.32 : x
  2. Step 2: Convert to fraction form
    1,353,764.32/2,031,768.12 = 680,038.32/x
  3. Step 3: Cross multiply
    1,353,764.32x = 2,031,768.12 × 680,038.32
  4. Step 4: Simplify right side
    1,353,764.32x = 1,381,680,178,954.36
  5. Step 5: Solve for x
    x = 1,381,680,178,954.36/1,353,764.32
  6. Step 6: Final answer
    x = 1,020,620.91

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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.