Home / 1,070,390.92-1,606,956.53-919,553.02

Finding the Fourth Proportional to 1,070,390.92, 1,606,956.53 and 919,553.02

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Solution

The fourth proportional to 1,070,390.92, 1,606,956.53 and 919,553.02 is: 1,380,506.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,390.92 : 1,606,956.53 = 919,553.02 : x
  2. Step 2: Convert to fraction form
    1,070,390.92/1,606,956.53 = 919,553.02/x
  3. Step 3: Cross multiply
    1,070,390.92x = 1,606,956.53 × 919,553.02
  4. Step 4: Simplify right side
    1,070,390.92x = 1,477,681,717,537.67
  5. Step 5: Solve for x
    x = 1,477,681,717,537.67/1,070,390.92
  6. Step 6: Final answer
    x = 1,380,506.60

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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.