Home / 1,440,096.90-2,160,145.35-909,968.10

Finding the Fourth Proportional to 1,440,096.90, 2,160,145.35 and 909,968.10

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Solution

The fourth proportional to 1,440,096.90, 2,160,145.35 and 909,968.10 is: 1,364,952.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440,096.90 : 2,160,145.35 = 909,968.10 : x
  2. Step 2: Convert to fraction form
    1,440,096.90/2,160,145.35 = 909,968.10/x
  3. Step 3: Cross multiply
    1,440,096.90x = 2,160,145.35 × 909,968.10
  4. Step 4: Simplify right side
    1,440,096.90x = 1,965,663,359,863.34
  5. Step 5: Solve for x
    x = 1,965,663,359,863.34/1,440,096.90
  6. Step 6: Final answer
    x = 1,364,952.15

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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.