Home / 859,664.55-1,289,496.83-754,688.55

Finding the Fourth Proportional to 859,664.55, 1,289,496.83 and 754,688.55

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Solution

The fourth proportional to 859,664.55, 1,289,496.83 and 754,688.55 is: 1,132,032.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,664.55 : 1,289,496.83 = 754,688.55 : x
  2. Step 2: Convert to fraction form
    859,664.55/1,289,496.83 = 754,688.55/x
  3. Step 3: Cross multiply
    859,664.55x = 1,289,496.83 × 754,688.55
  4. Step 4: Simplify right side
    859,664.55x = 973,168,489,088.85
  5. Step 5: Solve for x
    x = 973,168,489,088.85/859,664.55
  6. Step 6: Final answer
    x = 1,132,032.83

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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.