Home / 1,548,154.76-2,136,438.79-869,086.40

Finding the Fourth Proportional to 1,548,154.76, 2,136,438.79 and 869,086.40

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Solution

The fourth proportional to 1,548,154.76, 2,136,438.79 and 869,086.40 is: 1,199,330.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,548,154.76 : 2,136,438.79 = 869,086.40 : x
  2. Step 2: Convert to fraction form
    1,548,154.76/2,136,438.79 = 869,086.40/x
  3. Step 3: Cross multiply
    1,548,154.76x = 2,136,438.79 × 869,086.40
  4. Step 4: Simplify right side
    1,548,154.76x = 1,856,749,883,966.55
  5. Step 5: Solve for x
    x = 1,856,749,883,966.55/1,548,154.76
  6. Step 6: Final answer
    x = 1,199,330.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.