Home / 1,299,346.34-1,948,132.56-692,225.42

Finding the Fourth Proportional to 1,299,346.34, 1,948,132.56 and 692,225.42

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Solution

The fourth proportional to 1,299,346.34, 1,948,132.56 and 692,225.42 is: 1,037,865.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,346.34 : 1,948,132.56 = 692,225.42 : x
  2. Step 2: Convert to fraction form
    1,299,346.34/1,948,132.56 = 692,225.42/x
  3. Step 3: Cross multiply
    1,299,346.34x = 1,948,132.56 × 692,225.42
  4. Step 4: Simplify right side
    1,299,346.34x = 1,348,546,879,561.68
  5. Step 5: Solve for x
    x = 1,348,546,879,561.68/1,299,346.34
  6. Step 6: Final answer
    x = 1,037,865.61

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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.