Home / 1,409,956.93-2,115,735.28-761,525.10

Finding the Fourth Proportional to 1,409,956.93, 2,115,735.28 and 761,525.10

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Solution

The fourth proportional to 1,409,956.93, 2,115,735.28 and 761,525.10 is: 1,142,719.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,956.93 : 2,115,735.28 = 761,525.10 : x
  2. Step 2: Convert to fraction form
    1,409,956.93/2,115,735.28 = 761,525.10/x
  3. Step 3: Cross multiply
    1,409,956.93x = 2,115,735.28 × 761,525.10
  4. Step 4: Simplify right side
    1,409,956.93x = 1,611,185,518,771.72
  5. Step 5: Solve for x
    x = 1,611,185,518,771.72/1,409,956.93
  6. Step 6: Final answer
    x = 1,142,719.67

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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.